Difficult IELTS Words

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Difficult IELTS Words (Group 1)

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aback
abbreviation
abolish
aboriginal
abound
abrasion
abridge
abundance
accelerate
acclaim
accommodation
accord
accumulate
accumulation
accuser
acquaint
acquiesce
adept
adhere
adjacent
adjoin
administrate
adolescence
adoption
advent
adverse
aerial
aesthetic
affectionately
affiliate
affirm
affix
afflict
affluent
aggregate
agitation
agreeable
airing
aisle
albeit
allege
alleviate
allocate
allot
alloy
alphabetical
ambiguity
ambiguous
amend
amid
amidst
amphibian
amplify
analyse
analytical
ancestor
anecdote
annihilate
annuity
anoint
antagonism
antarctic
antenna
anthology
antonym
apex
apologetic
apparatus
appease
append
appliance
applicant
appraisal
appreciable
apprentice
approximate
apt
aquatic
arbitrary
archaic
ardent
arduous
arid
armour
arouse
array
arsenal
ascend
ascent
ascertain
ascribe
aspiration
aspire
assert
assorted
astound
astronaut
asylum
attain
attendee
attribute
audible
augment
authenticity
authoritative
automate
automation
autonomy
auxiliary
avail
avalanche
avenue
avert
avian
aviation
awake
axis
backstage
bacterium
badminton
baffle
bamboo
barbaric
barometer
barrage
barricade
barter
bay
bead
beautician
beneficial
berth
beset
bewilder
bibliography
bilateral
bilingual
bitumen
blade
blaze
bloc
blot
blunder
boast
bonding
bookcase
bookkeeper
bookstall
boom
boot up

Word and Definition List
aback
Pronounce   ad. by surprise; behind; in the rear
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abbreviation
Pronounce   n. shortening something by omitting parts of it
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abolish
Pronounce   v. cancel; put an end to; destroy completely
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aboriginal
Pronounce   a. being the first of its kind in a region; primitive; native
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abound
Pronounce   v. be full of; be plentiful
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abrasion
Pronounce   n. scratch; friction
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abridge
Pronounce   v. condense; shorten; reduce length of written text
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abundance
Pronounce   n. great or plentiful amount; fullness to overflowing
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accelerate
Pronounce   v. move faster; cause to develop or progress more quickly; occur sooner than expected
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acclaim
Pronounce   v. applaud; announce with great approval
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accommodation
Pronounce   n. living quarters provided for public convenience; something that meets a need; convenience
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accord
Pronounce   n. settlement or compromise of conflicting opinions; written agreement between two states
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accumulate
Pronounce   v. pile up; collect; mount up; increase
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accumulation
Pronounce   n. act of gathering or amassing, as into a heap or pile
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accuser
Pronounce   n. one who accuses; one who brings a charge of crime or fault
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acquaint
Pronounce   v. inform about; cause to come to know personally; make familiar
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acquiesce
Pronounce   v. consent or comply passively or without protest; assent
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adept
Pronounce   a. expert at; very skilled; having or showing knowledge and skill and aptitude
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adhere
Pronounce   v. stick fast; stick to firmly; be compatible or in accordance with
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adjacent
Pronounce   a. adjoining; neighboring; close to; lying near
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adjoin
Pronounce   v. be next to; be contiguous to; border on
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administrate
Pronounce   v. administer; supply; supervise or be in charge of
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adolescence
Pronounce   n. state of growing up from childhood to manhood or womanhood; transitional period between youth and maturity
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adoption
Pronounce   n. accepting with approval; favorable reception
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advent
Pronounce   n. coming or arrival, especially of something extremely important
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adverse
Pronounce   a. in opposing direction; harmful or unfavorable; acting or serving to oppose
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aerial
Pronounce   a. of the air or atmosphere; produced by or found in the air; performed in the air
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aesthetic
Pronounce   a. elegant or tasteful; of or concerning appreciation of beauty or good taste
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affectionately
Pronounce   ad. with affection; lovingly; fondly; tenderly; kindly
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affiliate
Pronounce   n. A person, organization, or establishment associated with another, as a subordinate, subsidiary, or member
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affirm
Pronounce   v. assert; confirm
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affix
Pronounce   v. fasten; append; add on; secure to something
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afflict
Pronounce   v. cause pain, suffering or distress
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affluent
Pronounce   a. generously supplied with money, property, or possessions; prosperous or rich; plentiful; abundant
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aggregate
Pronounce   v. gather into a mass, sum, or whole; amount to
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agitation
Pronounce   n. anxiety; extreme emotional disturbance
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agreeable
Pronounce   a. ready to consent or submit; acceptable
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airing
Pronounce   a. exposure to air for freshening or drying; exposure to public attention; radio or television broadcast
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aisle
Pronounce   n. a passageway between rows of seats or shelves
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albeit
Pronounce   ad. even though; although; notwithstanding
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allege
Pronounce   v. state without proof; assert to be true
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alleviate
Pronounce   v. provide physical relief, as from pain; make easier; remove in part
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allocate
Pronounce   v. assign; distribute according to plan
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allot
Pronounce   v. parcel out in parts or portions; distribute to each individual concerned; assign as a share or lot
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alloy
Pronounce   v. combine; mix; make less pure; lessen or moderate
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alphabetical
Pronounce   a. arranged in customary order of the letters of a language
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ambiguity
Pronounce   n. state of being ambiguous; doubtfulness or uncertainty
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ambiguous
Pronounce   a. unclear or doubtful in meaning
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amend
Pronounce   v. change for the better; improve; remove faults or errors
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amid
Pronounce   ad. in the middle of; among; surrounded by
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amidst
Pronounce   ad. amid; in the middle of; among
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amphibian
Pronounce   a. able to live both on land and in water
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amplify
Pronounce   v. broaden or clarify by expanding; intensify; make larger or more powerful; increase
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analyse
Pronounce   v. resolve anything complex into its elements; separate into parts for purpose of examination of each separately
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analytical
Pronounce   a. of analysis; resolving into elements or parts
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ancestor
Pronounce   n. forefather; forebear; forerunner or predecessor
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anecdote
Pronounce   n. short account of amusing or interesting event; short narrative; secret story of history or biography
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annihilate
Pronounce   v. destroy completely; reduce to nonexistence
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annuity
Pronounce   n. annual payment of allowance or income; periodical payment, amounting to a fixed sum in each year
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anoint
Pronounce   v. apply oil, ointment, or a similar substance to; choose by or as if by divine intervention
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antagonism
Pronounce   n. active resistance; condition of being an opposing principle, force, or factor
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antarctic
Pronounce   a. opposite to the northern or arctic pole; relating to the southern pole or to the region near it
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antenna
Pronounce   n. metallic apparatus for sending or receiving electromagnetic waves
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anthology
Pronounce   n. book of literary selections by various authors
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antonym
Pronounce   n. word of opposite meaning; counter term
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apex
Pronounce   n. highest point; the vertex; usually pointed end of an object; the tip
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apologetic
Pronounce   a. offering or expressing an apology or excuse; serving as or containing a formal justification or defense
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apparatus
Pronounce   n. a group of parts that work together to perform given function; appliance or device for particular purpose
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appease
Pronounce   v. bring peace, quiet, or calm to; satisfy or relieve
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append
Pronounce   v. attach; add as supplement or appendix
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appliance
Pronounce   n. durable goods for home or office use; device or instrument for household use
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applicant
Pronounce   n. candidate
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appraisal
Pronounce   n. assessment; evaluation; the classification of someone or something with respect to its worth
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appreciable
Pronounce   a. considerable; perceptible
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apprentice
Pronounce   n. works for an expert to learn a trade; beginner; learner
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approximate
Pronounce   v. approach; come near
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apt
Pronounce   a. likely; exactly suitable; appropriate; quick to learn or understand
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aquatic
Pronounce   a. consisting of, relating to, or being in water
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arbitrary
Pronounce   a. randomly chosen; determined by chance or impulse, and not by reason or principle
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archaic
Pronounce   a. no longer current or applicable; antiquated
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ardent
Pronounce   a. displaying or by strong enthusiasm or devotion; passionate
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arduous
Pronounce   a. demanding great effort or labor; difficult
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arid
Pronounce   a. lacking moisture, especially having insufficient rainfall to support trees or woody plants
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armour
Pronounce   n. defensive covering, as of metal, wood, or leather, worn to protect the body against weapons
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arouse
Pronounce   v. excite; stimulate; awaken from or as if from sleep
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array
Pronounce   v. set out for display or use; place in orderly arrangement
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arsenal
Pronounce   n. stock or supply, usually of weapons
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ascend
Pronounce   v. climb; mount
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ascent
Pronounce   n. the act of rising or going upward
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ascertain
Pronounce   v. find out for certain; discover with certainty; make sure of
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ascribe
Pronounce   v. inscribe or dedicate; attribute to a specified cause, source, or origin; assign as a quality
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aspiration
Pronounce   n. ambition; longing
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aspire
Pronounce   v. seek to attain; long for; strive toward an end
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assert
Pronounce   v. declare or state with confidence; put oneself forward boldly
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assorted
Pronounce   a. varied; miscellaneous
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astound
Pronounce   v. affect with wonder; surprise; shock
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astronaut
Pronounce   n. person to pilot, navigate, or as a crew member of spacecraft
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asylum
Pronounce   n. a place offering protection and shelter
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attain
Pronounce   v. achieve or accomplish; gain
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attendee
Pronounce   n. person who is present and participates in a meeting
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attribute
Pronounce   n. essential quality; reputation; honor
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audible
Pronounce   a. perceptible; heard or perceptible by the ear
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augment
Pronounce   v. make greater, as in size, extent, or quantity
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authenticity
Pronounce   n. quality of being genuine or trustworthy
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authoritative
Pronounce   a. having weight of authority; peremptory and dictatorial
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automate
Pronounce   v. replace or enhance human labor with machines
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automation
Pronounce   n. act or process of converting the controlling of a machine or device to a more automatic system, such as computer or electronic controls
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autonomy
Pronounce   n. independence; self-government or the right of self-government; self-determination
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auxiliary
Pronounce   a. helper, additional or subsidiary
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avail
Pronounce   v. turn to advantage of; be of service to; profit; promote
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avalanche
Pronounce   n. fall or slide of a large mass, as of snow or rock, down a mountainside
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avenue
Pronounce   n. a method or means by which something may be accomplished
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avert
Pronounce   v. prevent; turn or cause to turn off or away
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avian
Pronounce   n. thin A bird-like or flying creature
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aviation
Pronounce   n. design, development, and production of aircraft
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awake
Pronounce   v. rouse from sleep;stir the interest of; excite
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axis
Pronounce   n. the center around which something rotates; pivot
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backstage
Pronounce   ad. In or toward the area behind the performing space in a theater, especially the area comprising the dressing rooms
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bacterium
Pronounce   n. single celled organism with no nucleus
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badminton
Pronounce   n. game played on a court with light long-handled rackets
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baffle
Pronounce   v. frustrate as by confusing or perplexing; impede force or movement of
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bamboo
Pronounce   n. plant of the family of grasses, and genus Bambusa, growing in tropical countries
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barbaric
Pronounce   a. resembling uncivilized persons, lacking refinement
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barometer
Pronounce   n. instrument for determining the weight or pressure of the atmosphere
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barrage
Pronounce   n. an artificial obstruction, such as a dam, built in a watercourse to increase its depth or to divert its flow; rapid and continuous delivery of linguistic communication
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barricade
Pronounce   n. structure set up across a route of access to obstruct the passage of an enemy
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barter
Pronounce   v. trade goods or services without the exchange of money
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bay
Pronounce   n. body of water partially enclosed by land but with a wide mouth; reddish-brown animal, especially a horse having a black tail
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bead
Pronounce   n. small piece of material, such as glass, plastic, or wood, that is pierced for stringing
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beautician
Pronounce   n. one skilled in giving cosmetic treatments; one who does hair styling, manicures, and other beauty treatments
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beneficial
Pronounce   a. helpful; tending to promote physical well-being
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berth
Pronounce   n. space for ship to dock or anchor; allotted place; place to sleep or stay; appointment or job
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beset
Pronounce   v. attack from all sides; trouble persistently; hem in
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bewilder
Pronounce   v. lead into perplexity or confusion; perplex with mazes
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bibliography
Pronounce   n. list of works of a specific author or publisher; list of writings relating to a given subject
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bilateral
Pronounce   a. two-sided; mutual
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bilingual
Pronounce   n. using or able to use two languages, especially with equal or nearly equal fluency
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bitumen
Pronounce   n. mineral pitch; black, tarry substance, burning with a bright flame
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blade
Pronounce   n. sharp cutting edge of a knife; sword or knife; swords-man
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blaze
Pronounce   n. brilliant burst of fire; flame
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bloc
Pronounce   n. a group of nations, parties, or persons united for common action
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blot
Pronounce   n. spot or stain, as of ink on paper; blur; weak point or failing
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blunder
Pronounce   n. serious mistake typically caused by ignorance or confusion
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boast
Pronounce   v. show off oneself; speak of with excessive pride
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bonding
Pronounce   n. formation of a close human relationship, as between friends; emotional and physical attachment occurring between a parent or parent figure
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bookcase
Pronounce   n. case with shelves for holding books, especially one with glazed doors
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bookkeeper
Pronounce   n. one who keeps accounts; one who has charge of keeping books and accounts in an office
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bookstall
Pronounce   n. stall where books are sold, as on a street; table with enclosed sides, for displaying books for sale
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boom
Pronounce   n. deep resonant sound, as of an explosion
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boot up
Pronounce   v. start a computer using its bootstrap procedure
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