Difficult IELTS Words
Group 1
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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
ad. by surprise; behind; in the rear
abbreviation
n. shortening something by omitting parts of itabolish
v. cancel; put an end to; destroy completelyaboriginal
a. being the first of its kind in a region; primitive; nativeabound
v. be full of; be plentifulabrasion
n. scratch; frictionabridge
v. condense; shorten; reduce length of written textabundance
n. great or plentiful amount; fullness to overflowingaccelerate
v. move faster; cause to develop or progress more quickly; occur sooner than expectedacclaim
v. applaud; announce with great approvalaccommodation
n. living quarters provided for public convenience; something that meets a need; convenienceaccord
n. settlement or compromise of conflicting opinions; written agreement between two statesaccumulate
v. pile up; collect; mount up; increaseaccumulation
n. act of gathering or amassing, as into a heap or pileaccuser
n. one who accuses; one who brings a charge of crime or faultacquaint
v. inform about; cause to come to know personally; make familiaracquiesce
v. consent or comply passively or without protest; assentadept
a. expert at; very skilled; having or showing knowledge and skill and aptitudeadhere
v. stick fast; stick to firmly; be compatible or in accordance withadjacent
a. adjoining; neighboring; close to; lying nearadjoin
v. be next to; be contiguous to; border onadministrate
v. administer; supply; supervise or be in charge ofadolescence
n. state of growing up from childhood to manhood or womanhood; transitional period between youth and maturityadoption
n. accepting with approval; favorable receptionadvent
n. coming or arrival, especially of something extremely importantadverse
a. in opposing direction; harmful or unfavorable; acting or serving to opposeaerial
a. of the air or atmosphere; produced by or found in the air; performed in the airaesthetic
a. elegant or tasteful; of or concerning appreciation of beauty or good tasteaffectionately
ad. with affection; lovingly; fondly; tenderly; kindlyaffiliate
n. A person, organization, or establishment associated with another, as a subordinate, subsidiary, or memberaffirm
v. assert; confirmaffix
v. fasten; append; add on; secure to somethingafflict
v. cause pain, suffering or distressaffluent
a. generously supplied with money, property, or possessions; prosperous or rich; plentiful; abundantaggregate
v. gather into a mass, sum, or whole; amount toagitation
n. anxiety; extreme emotional disturbanceagreeable
a. ready to consent or submit; acceptableairing
a. exposure to air for freshening or drying; exposure to public attention; radio or television broadcastaisle
n. a passageway between rows of seats or shelvesalbeit
ad. even though; although; notwithstandingallege
v. state without proof; assert to be truealleviate
v. provide physical relief, as from pain; make easier; remove in partallocate
v. assign; distribute according to planallot
v. parcel out in parts or portions; distribute to each individual concerned; assign as a share or lotalloy
v. combine; mix; make less pure; lessen or moderatealphabetical
a. arranged in customary order of the letters of a languageambiguity
n. state of being ambiguous; doubtfulness or uncertaintyambiguous
a. unclear or doubtful in meaningamend
v. change for the better; improve; remove faults or errorsamid
ad. in the middle of; among; surrounded byamidst
ad. amid; in the middle of; amongamphibian
a. able to live both on land and in wateramplify
v. broaden or clarify by expanding; intensify; make larger or more powerful; increaseanalyse
v. resolve anything complex into its elements; separate into parts for purpose of examination of each separatelyanalytical
a. of analysis; resolving into elements or partsancestor
n. forefather; forebear; forerunner or predecessoranecdote
n. short account of amusing or interesting event; short narrative; secret story of history or biographyannihilate
v. destroy completely; reduce to nonexistenceannuity
n. annual payment of allowance or income; periodical payment, amounting to a fixed sum in each yearanoint
v. apply oil, ointment, or a similar substance to; choose by or as if by divine interventionantagonism
n. active resistance; condition of being an opposing principle, force, or factorantarctic
a. opposite to the northern or arctic pole; relating to the southern pole or to the region near itantenna
n. metallic apparatus for sending or receiving electromagnetic wavesanthology
n. book of literary selections by various authorsantonym
n. word of opposite meaning; counter termapex
n. highest point; the vertex; usually pointed end of an object; the tipapologetic
a. offering or expressing an apology or excuse; serving as or containing a formal justification or defenseapparatus
n. a group of parts that work together to perform given function; appliance or device for particular purposeappease
v. bring peace, quiet, or calm to; satisfy or relieveappend
v. attach; add as supplement or appendixappliance
n. durable goods for home or office use; device or instrument for household useapplicant
n. candidateappraisal
n. assessment; evaluation; the classification of someone or something with respect to its worth appreciable
a. considerable; perceptibleapprentice
n. works for an expert to learn a trade; beginner; learnerapproximate
v. approach; come nearapt
a. likely; exactly suitable; appropriate; quick to learn or understandaquatic
a. consisting of, relating to, or being in waterarbitrary
a. randomly chosen; determined by chance or impulse, and not by reason or principlearchaic
a. no longer current or applicable; antiquatedardent
a. displaying or by strong enthusiasm or devotion; passionatearduous
a. demanding great effort or labor; difficultarid
a. lacking moisture, especially having insufficient rainfall to support trees or woody plantsarmour
n. defensive covering, as of metal, wood, or leather, worn to protect the body against weaponsarouse
v. excite; stimulate; awaken from or as if from sleeparray
v. set out for display or use; place in orderly arrangementarsenal
n. stock or supply, usually of weaponsascend
v. climb; mountascent
n. the act of rising or going upwardascertain
v. find out for certain; discover with certainty; make sure ofascribe
v. inscribe or dedicate; attribute to a specified cause, source, or origin; assign as a qualityaspiration
n. ambition; longingaspire
v. seek to attain; long for; strive toward an endassert
v. declare or state with confidence; put oneself forward boldlyassorted
a. varied; miscellaneousastound
v. affect with wonder; surprise; shockastronaut
n. person to pilot, navigate, or as a crew member of spacecraftasylum
n. a place offering protection and shelterattain
v. achieve or accomplish; gainattendee
n. person who is present and participates in a meetingattribute
n. essential quality; reputation; honoraudible
a. perceptible; heard or perceptible by the earaugment
v. make greater, as in size, extent, or quantityauthenticity
n. quality of being genuine or trustworthyauthoritative
a. having weight of authority; peremptory and dictatorialautomate
v. replace or enhance human labor with machinesautomation
n. act or process of converting the controlling of a machine or device to a more automatic system, such as computer or electronic controlsautonomy
n. independence; self-government or the right of self-government; self-determinationauxiliary
a. helper, additional or subsidiaryavail
v. turn to advantage of; be of service to; profit; promoteavalanche
n. fall or slide of a large mass, as of snow or rock, down a mountainsideavenue
n. a method or means by which something may be accomplishedavert
v. prevent; turn or cause to turn off or awayavian
n. thin A bird-like or flying creatureaviation
n. design, development, and production of aircraftawake
v. rouse from sleep;stir the interest of; exciteaxis
n. the center around which something rotates; pivotbackstage
ad. In or toward the area behind the performing space in a theater, especially the area comprising the dressing roomsbacterium
n. single celled organism with no nucleusbadminton
n. game played on a court with light long-handled racketsbaffle
v. frustrate as by confusing or perplexing; impede force or movement ofbamboo
n. plant of the family of grasses, and genus Bambusa, growing in tropical countriesbarbaric
a. resembling uncivilized persons, lacking refinementbarometer
n. instrument for determining the weight or pressure of the atmospherebarrage
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 communicationbarricade
n. structure set up across a route of access to obstruct the passage of an enemybarter
v. trade goods or services without the exchange of moneybay
n. body of water partially enclosed by land but with a wide mouth; reddish-brown animal, especially a horse having a black tailbead
n. small piece of material, such as glass, plastic, or wood, that is pierced for stringingbeautician
n. one skilled in giving cosmetic treatments; one who does hair styling, manicures, and other beauty treatmentsbeneficial
a. helpful; tending to promote physical well-beingberth
n. space for ship to dock or anchor; allotted place; place to sleep or stay; appointment or jobbeset
v. attack from all sides; trouble persistently; hem inbewilder
v. lead into perplexity or confusion; perplex with mazesbibliography
n. list of works of a specific author or publisher; list of writings relating to a given subjectbilateral
a. two-sided; mutualbilingual
n. using or able to use two languages, especially with equal or nearly equal fluencybitumen
n. mineral pitch; black, tarry substance, burning with a bright flameblade
n. sharp cutting edge of a knife; sword or knife; swords-manblaze
n. brilliant burst of fire; flamebloc
n. a group of nations, parties, or persons united for common actionblot
n. spot or stain, as of ink on paper; blur; weak point or failingblunder
n. serious mistake typically caused by ignorance or confusionboast
v. show off oneself; speak of with excessive pridebonding
n. formation of a close human relationship, as between friends; emotional and physical attachment occurring between a parent or parent figurebookcase
n. case with shelves for holding books, especially one with glazed doorsbookkeeper
n. one who keeps accounts; one who has charge of keeping books and accounts in an officebookstall
n. stall where books are sold, as on a street; table with enclosed sides, for displaying books for saleboom
n. deep resonant sound, as of an explosionboot up
v. start a computer using its bootstrap procedure