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You are here: Home / Vocabulary / 100 Words Every IELTS Test-Taker Should Know

100 Words Every IELTS Test-Taker Should Know

March 2, 2026

100 Words Every IELTS Test-Taker Should Know

No. Term Definition
1. Abandon leave behind; give up
2. Abstract existing in thought; not concrete
3. Accumulate gather over time
4. Adapt change to suit new conditions
5. Adequate enough; sufficient
6. Adverse harmful; unfavorable
7. Advocate support publicly; argue for
8. Affect influence; make a difference to
9. Allocate distribute for a purpose
10. Ambiguous unclear; open to multiple meanings
11. Amend change slightly; revise
12. Analyse examine in detail
13. Annual happening every year
14. Apparent seeming true; obvious
15. Approach method; way of dealing
16. Assess evaluate; judge quality
17. Assume accept without proof
18. Attain achieve; reach a goal
19. Authority power; official right to act
20. Aware conscious; informed
21. Benefit advantage; helpful result
22. Bias unfair preference
23. Brief short in time or length
24. Calculate work out using numbers
25. Capacity ability; maximum amount
26. Category group with shared features
27. Challenge difficult task; test
28. Circumstance condition affecting an event
29. Clarify make clear; explain
30. Coherent logical and consistent
31. Coincide happen at same time
32. Commission official group; assigned task
33. Commitment dedication; promise to do
34. Commodity useful product for trade
35. Communicate share information; express
36. Community group living or acting together
37. Compensate make up for loss
38. Compile collect into one document
39. Complex complicated; with many parts
40. Component one part of a whole
41. Conclude finish; decide after thinking
42. Conduct carry out; manage
43. Consequence result; effect
44. Considerable large; significant
45. Consistent steady; not changing
46. Constraint limit; restriction
47. Consume use up; eat or drink
48. Context surrounding situation; background
49. Contribute give; help to cause
50. Controversy public disagreement
51. Conventional traditional; widely accepted
52. Convert change form or belief
53. Cooperate work together
54. Core central or most important part
55. Criteria standards for judging
56. Crucial extremely important
57. Culture shared beliefs and practices
58. Decline decrease; refuse
59. Define state exact meaning
60. Demonstrate show clearly; prove
61. Derive obtain from a source
62. Device tool; piece of equipment
63. Diminish reduce; become smaller
64. Distribute give out; spread
65. Diverse varied; different
66. Domestic relating to home or country
67. Emerge appear; come into view
68. Emphasis special importance; stress
69. Enable make possible
70. Encounter meet unexpectedly
71. Enhance improve; increase quality
72. Enormous very large
73. Ensure make certain
74. Establish set up; create
75. Estimate rough calculation; guess
76. Evaluate assess value or quality
77. Evidence facts showing something true
78. Evolve develop gradually
79. Exceed go beyond a limit
80. Exclude leave out; not include
81. Expand increase in size or scope
82. Expenditure money spent
83. Expertise special skill or knowledge
84. Factor element influencing a result
85. Feasible possible and practical
86. Feature important part; characteristic
87. Flexible able to change easily
88. Fluctuate change irregularly
89. Focus center attention on
90. Foundation base; underlying support
91. Framework basic structure; system
92. Function purpose; role
93. Fundamental basic; essential
94. Generate produce; create
95. Global worldwide
96. Goal aim; desired result
97. Grant give; official permission
98. Guarantee promise; ensure
99. Guideline recommended rule or advice
100. Impact strong effect; influence
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