Difficult IELTS Words - Group 1

Free Online Vocabulary Test
 Difficult IELTS Words - Group 1View Group Words   
Read [Esc] (1)
ad. by surprise; behind; in the rear

Spelling Word: aback
Read [Esc] (2)
n. shortening something by omitting parts of it

Spelling Word: abbreviation
Read [Esc] (3)
v. cancel; put an end to; destroy completely

Spelling Word: abolish
Read [Esc] (4)
a. being the first of its kind in a region; primitive; native

Spelling Word: aboriginal
Read [Esc] (5)
v. be full of; be plentiful

Spelling Word: abound
Read [Esc] (6)
n. scratch; friction

Spelling Word: abrasion
Read [Esc] (7)
v. condense; shorten; reduce length of written text

Spelling Word: abridge
Read [Esc] (8)
n. great or plentiful amount; fullness to overflowing

Spelling Word: abundance
Read [Esc] (9)
v. move faster; cause to develop or progress more quickly; occur sooner than expected

Spelling Word: accelerate
Read [Esc] (10)
v. applaud; announce with great approval

Spelling Word: acclaim
Read [Esc] (11)
n. living quarters provided for public convenience; something that meets a need; convenience

Spelling Word: accommodation
Read [Esc] (12)
n. settlement or compromise of conflicting opinions; written agreement between two states

Spelling Word: accord
Read [Esc] (13)
v. pile up; collect; mount up; increase

Spelling Word: accumulate
Read [Esc] (14)
n. act of gathering or amassing, as into a heap or pile

Spelling Word: accumulation
Read [Esc] (15)
n. one who accuses; one who brings a charge of crime or fault

Spelling Word: accuser
Read [Esc] (16)
v. inform about; cause to come to know personally; make familiar

Spelling Word: acquaint
Read [Esc] (17)
v. consent or comply passively or without protest; assent

Spelling Word: acquiesce
Read [Esc] (18)
a. expert at; very skilled; having or showing knowledge and skill and aptitude

Spelling Word: adept
Read [Esc] (19)
v. stick fast; stick to firmly; be compatible or in accordance with

Spelling Word: adhere
Read [Esc] (20)
a. adjoining; neighboring; close to; lying near

Spelling Word: adjacent
Read [Esc] (21)
v. be next to; be contiguous to; border on

Spelling Word: adjoin
Read [Esc] (22)
v. administer; supply; supervise or be in charge of

Spelling Word: administrate
Read [Esc] (23)
n. state of growing up from childhood to manhood or womanhood; transitional period between youth and maturity

Spelling Word: adolescence
Read [Esc] (24)
n. accepting with approval; favorable reception

Spelling Word: adoption
Read [Esc] (25)
n. coming or arrival, especially of something extremely important

Spelling Word: advent
Read [Esc] (26)
a. in opposing direction; harmful or unfavorable; acting or serving to oppose

Spelling Word: adverse
Read [Esc] (27)
a. of the air or atmosphere; produced by or found in the air; performed in the air

Spelling Word: aerial
Read [Esc] (28)
a. elegant or tasteful; of or concerning appreciation of beauty or good taste

Spelling Word: aesthetic
Read [Esc] (29)
ad. with affection; lovingly; fondly; tenderly; kindly

Spelling Word: affectionately
Read [Esc] (30)
n. A person, organization, or establishment associated with another, as a subordinate, subsidiary, or member

Spelling Word: affiliate
Read [Esc] (31)
v. assert; confirm

Spelling Word: affirm
Read [Esc] (32)
v. fasten; append; add on; secure to something

Spelling Word: affix
Read [Esc] (33)
v. cause pain, suffering or distress

Spelling Word: afflict
Read [Esc] (34)
a. generously supplied with money, property, or possessions; prosperous or rich; plentiful; abundant

Spelling Word: affluent
Read [Esc] (35)
v. gather into a mass, sum, or whole; amount to

Spelling Word: aggregate
Read [Esc] (36)
n. anxiety; extreme emotional disturbance

Spelling Word: agitation
Read [Esc] (37)
a. ready to consent or submit; acceptable

Spelling Word: agreeable
Read [Esc] (38)
a. exposure to air for freshening or drying; exposure to public attention; radio or television broadcast

Spelling Word: airing
Read [Esc] (39)
n. a passageway between rows of seats or shelves

Spelling Word: aisle
Read [Esc] (40)
ad. even though; although; notwithstanding

Spelling Word: albeit
Read [Esc] (41)
v. state without proof; assert to be true

Spelling Word: allege
Read [Esc] (42)
v. provide physical relief, as from pain; make easier; remove in part

Spelling Word: alleviate
Read [Esc] (43)
v. assign; distribute according to plan

Spelling Word: allocate
Read [Esc] (44)
v. parcel out in parts or portions; distribute to each individual concerned; assign as a share or lot

Spelling Word: allot
Read [Esc] (45)
v. combine; mix; make less pure; lessen or moderate

Spelling Word: alloy
Read [Esc] (46)
a. arranged in customary order of the letters of a language

Spelling Word: alphabetical
Read [Esc] (47)
n. state of being ambiguous; doubtfulness or uncertainty

Spelling Word: ambiguity
Read [Esc] (48)
a. unclear or doubtful in meaning

Spelling Word: ambiguous
Read [Esc] (49)
v. change for the better; improve; remove faults or errors

Spelling Word: amend
Read [Esc] (50)
ad. in the middle of; among; surrounded by

Spelling Word: amid
Read [Esc] (51)
ad. amid; in the middle of; among

Spelling Word: amidst
Read [Esc] (52)
a. able to live both on land and in water

Spelling Word: amphibian
Read [Esc] (53)
v. broaden or clarify by expanding; intensify; make larger or more powerful; increase

Spelling Word: amplify
Read [Esc] (54)
v. resolve anything complex into its elements; separate into parts for purpose of examination of each separately

Spelling Word: analyse
Read [Esc] (55)
a. of analysis; resolving into elements or parts

Spelling Word: analytical
Read [Esc] (56)
n. forefather; forebear; forerunner or predecessor

Spelling Word: ancestor
Read [Esc] (57)
n. short account of amusing or interesting event; short narrative; secret story of history or biography

Spelling Word: anecdote
Read [Esc] (58)
v. destroy completely; reduce to nonexistence

Spelling Word: annihilate
Read [Esc] (59)
n. annual payment of allowance or income; periodical payment, amounting to a fixed sum in each year

Spelling Word: annuity
Read [Esc] (60)
v. apply oil, ointment, or a similar substance to; choose by or as if by divine intervention

Spelling Word: anoint
Read [Esc] (61)
n. active resistance; condition of being an opposing principle, force, or factor

Spelling Word: antagonism
Read [Esc] (62)
a. opposite to the northern or arctic pole; relating to the southern pole or to the region near it

Spelling Word: antarctic
Read [Esc] (63)
n. metallic apparatus for sending or receiving electromagnetic waves

Spelling Word: antenna
Read [Esc] (64)
n. book of literary selections by various authors

Spelling Word: anthology
Read [Esc] (65)
n. word of opposite meaning; counter term

Spelling Word: antonym
Read [Esc] (66)
n. highest point; the vertex; usually pointed end of an object; the tip

Spelling Word: apex
Read [Esc] (67)
a. offering or expressing an apology or excuse; serving as or containing a formal justification or defense

Spelling Word: apologetic
Read [Esc] (68)
n. a group of parts that work together to perform given function; appliance or device for particular purpose

Spelling Word: apparatus
Read [Esc] (69)
v. bring peace, quiet, or calm to; satisfy or relieve

Spelling Word: appease
Read [Esc] (70)
v. attach; add as supplement or appendix

Spelling Word: append
Read [Esc] (71)
n. durable goods for home or office use; device or instrument for household use

Spelling Word: appliance
Read [Esc] (72)
n. candidate

Spelling Word: applicant
Read [Esc] (73)
n. assessment; evaluation; the classification of someone or something with respect to its worth

Spelling Word: appraisal
Read [Esc] (74)
a. considerable; perceptible

Spelling Word: appreciable
Read [Esc] (75)
n. works for an expert to learn a trade; beginner; learner

Spelling Word: apprentice
Read [Esc] (76)
v. approach; come near

Spelling Word: approximate
Read [Esc] (77)
a. likely; exactly suitable; appropriate; quick to learn or understand

Spelling Word: apt
Read [Esc] (78)
a. consisting of, relating to, or being in water

Spelling Word: aquatic
Read [Esc] (79)
a. randomly chosen; determined by chance or impulse, and not by reason or principle

Spelling Word: arbitrary
Read [Esc] (80)
a. no longer current or applicable; antiquated

Spelling Word: archaic
Read [Esc] (81)
a. displaying or by strong enthusiasm or devotion; passionate

Spelling Word: ardent
Read [Esc] (82)
a. demanding great effort or labor; difficult

Spelling Word: arduous
Read [Esc] (83)
a. lacking moisture, especially having insufficient rainfall to support trees or woody plants

Spelling Word: arid
Read [Esc] (84)
n. defensive covering, as of metal, wood, or leather, worn to protect the body against weapons

Spelling Word: armour
Read [Esc] (85)
v. excite; stimulate; awaken from or as if from sleep

Spelling Word: arouse
Read [Esc] (86)
v. set out for display or use; place in orderly arrangement

Spelling Word: array
Read [Esc] (87)
n. stock or supply, usually of weapons

Spelling Word: arsenal
Read [Esc] (88)
v. climb; mount

Spelling Word: ascend
Read [Esc] (89)
n. the act of rising or going upward

Spelling Word: ascent
Read [Esc] (90)
v. find out for certain; discover with certainty; make sure of

Spelling Word: ascertain
Read [Esc] (91)
v. inscribe or dedicate; attribute to a specified cause, source, or origin; assign as a quality

Spelling Word: ascribe
Read [Esc] (92)
n. ambition; longing

Spelling Word: aspiration
Read [Esc] (93)
v. seek to attain; long for; strive toward an end

Spelling Word: aspire
Read [Esc] (94)
v. declare or state with confidence; put oneself forward boldly

Spelling Word: assert
Read [Esc] (95)
a. varied; miscellaneous

Spelling Word: assorted
Read [Esc] (96)
v. affect with wonder; surprise; shock

Spelling Word: astound
Read [Esc] (97)
n. person to pilot, navigate, or as a crew member of spacecraft

Spelling Word: astronaut
Read [Esc] (98)
n. a place offering protection and shelter

Spelling Word: asylum
Read [Esc] (99)
v. achieve or accomplish; gain

Spelling Word: attain
Read [Esc] (100)
n. person who is present and participates in a meeting

Spelling Word: attendee
Read [Esc] (101)
n. essential quality; reputation; honor

Spelling Word: attribute
Read [Esc] (102)
a. perceptible; heard or perceptible by the ear

Spelling Word: audible
Read [Esc] (103)
v. make greater, as in size, extent, or quantity

Spelling Word: augment
Read [Esc] (104)
n. quality of being genuine or trustworthy

Spelling Word: authenticity
Read [Esc] (105)
a. having weight of authority; peremptory and dictatorial

Spelling Word: authoritative
Read [Esc] (106)
v. replace or enhance human labor with machines

Spelling Word: automate
Read [Esc] (107)
n. act or process of converting the controlling of a machine or device to a more automatic system, such as computer or electronic controls

Spelling Word: automation
Read [Esc] (108)
n. independence; self-government or the right of self-government; self-determination

Spelling Word: autonomy
Read [Esc] (109)
a. helper, additional or subsidiary

Spelling Word: auxiliary
Read [Esc] (110)
v. turn to advantage of; be of service to; profit; promote

Spelling Word: avail
Read [Esc] (111)
n. fall or slide of a large mass, as of snow or rock, down a mountainside

Spelling Word: avalanche
Read [Esc] (112)
n. a method or means by which something may be accomplished

Spelling Word: avenue
Read [Esc] (113)
v. prevent; turn or cause to turn off or away

Spelling Word: avert
Read [Esc] (114)
n. thin A bird-like or flying creature

Spelling Word: avian
Read [Esc] (115)
n. design, development, and production of aircraft

Spelling Word: aviation
Read [Esc] (116)
v. rouse from sleep;stir the interest of; excite

Spelling Word: awake
Read [Esc] (117)
n. the center around which something rotates; pivot

Spelling Word: axis
Read [Esc] (118)
ad. In or toward the area behind the performing space in a theater, especially the area comprising the dressing rooms

Spelling Word: backstage
Read [Esc] (119)
n. single celled organism with no nucleus

Spelling Word: bacterium
Read [Esc] (120)
n. game played on a court with light long-handled rackets

Spelling Word: badminton
Read [Esc] (121)
v. frustrate as by confusing or perplexing; impede force or movement of

Spelling Word: baffle
Read [Esc] (122)
n. plant of the family of grasses, and genus Bambusa, growing in tropical countries

Spelling Word: bamboo
Read [Esc] (123)
a. resembling uncivilized persons, lacking refinement

Spelling Word: barbaric
Read [Esc] (124)
n. instrument for determining the weight or pressure of the atmosphere

Spelling Word: barometer
Read [Esc] (125)
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

Spelling Word: barrage
Read [Esc] (126)
n. structure set up across a route of access to obstruct the passage of an enemy

Spelling Word: barricade
Read [Esc] (127)
v. trade goods or services without the exchange of money

Spelling Word: barter
Read [Esc] (128)
n. body of water partially enclosed by land but with a wide mouth; reddish-brown animal, especially a horse having a black tail

Spelling Word: bay
Read [Esc] (129)
n. small piece of material, such as glass, plastic, or wood, that is pierced for stringing

Spelling Word: bead
Read [Esc] (130)
n. one skilled in giving cosmetic treatments; one who does hair styling, manicures, and other beauty treatments

Spelling Word: beautician
Read [Esc] (131)
a. helpful; tending to promote physical well-being

Spelling Word: beneficial
Read [Esc] (132)
n. space for ship to dock or anchor; allotted place; place to sleep or stay; appointment or job

Spelling Word: berth
Read [Esc] (133)
v. attack from all sides; trouble persistently; hem in

Spelling Word: beset
Read [Esc] (134)
v. lead into perplexity or confusion; perplex with mazes

Spelling Word: bewilder
Read [Esc] (135)
n. list of works of a specific author or publisher; list of writings relating to a given subject

Spelling Word: bibliography
Read [Esc] (136)
a. two-sided; mutual

Spelling Word: bilateral
Read [Esc] (137)
n. using or able to use two languages, especially with equal or nearly equal fluency

Spelling Word: bilingual
Read [Esc] (138)
n. mineral pitch; black, tarry substance, burning with a bright flame

Spelling Word: bitumen
Read [Esc] (139)
n. sharp cutting edge of a knife; sword or knife; swords-man

Spelling Word: blade
Read [Esc] (140)
n. brilliant burst of fire; flame

Spelling Word: blaze
Read [Esc] (141)
n. a group of nations, parties, or persons united for common action

Spelling Word: bloc
Read [Esc] (142)
n. spot or stain, as of ink on paper; blur; weak point or failing

Spelling Word: blot
Read [Esc] (143)
n. serious mistake typically caused by ignorance or confusion

Spelling Word: blunder
Read [Esc] (144)
v. show off oneself; speak of with excessive pride

Spelling Word: boast
Read [Esc] (145)
n. formation of a close human relationship, as between friends; emotional and physical attachment occurring between a parent or parent figure

Spelling Word: bonding
Read [Esc] (146)
n. case with shelves for holding books, especially one with glazed doors

Spelling Word: bookcase
Read [Esc] (147)
n. one who keeps accounts; one who has charge of keeping books and accounts in an office

Spelling Word: bookkeeper
Read [Esc] (148)
n. stall where books are sold, as on a street; table with enclosed sides, for displaying books for sale

Spelling Word: bookstall
Read [Esc] (149)
n. deep resonant sound, as of an explosion

Spelling Word: boom