Vocabulary for IELTS Reading: Sublist 4

Incredible progress! Having mastered 60 vital vocabulary words each from Sublists 1, 2, and 3, you’ve built a robust foundation of 180 academic terms, setting the stage for excellence in your IELTS Reading test. Now, with Sublist 4 of the Academic Word List (AWL) by Averil Coxhead, you’ll tackle another 60 high-frequency words that are slightly less common yet critical for understanding intricate passages on subjects like economics, culture, and innovation. These terms will sharpen your ability to achieve a perfect 40/40 score in 2025, enhancing your skills in deciphering complex arguments and navigating paraphrased content with precision. This guide is your key to further expanding your lexical prowess for IELTS success.

The AWL’s 10-sublist structure, designed to reflect word frequency in academic texts, positions Sublist 4 as a vital step following the foundational terms of the previous sublists. These words, though less frequent than those in Sublists 1-3, are indispensable for handling the diverse question types—such as multiple choice, diagram labeling, and sentence completion—that define the IELTS Reading challenge. By integrating Sublist 4 vocabulary into your practice with sample passages and mastering their meanings and synonyms, you’ll boost your confidence and comprehension, paving the way toward reading mastery.

Let’s explore Sublist 4 to elevate your skills further!

Sublist 4

access, adequate, annual, apparent, approximate, attitude, attribute, civil, code, commit, communicate, concentrate, confer, contrast, cycle, debate, despite, dimension, domestic, emerge, error, ethnic, goal, grant, hence, hypothesis, implement, implicate, impose, integrate, internal, investigate, job, label, mechanism, obvious, occupy, option, output, overall, parallel, parameter, phase, predict, principal, prior, professional, project, promote, regime, resolve, retain, series, statistic, status, stress, subsequent, sum, summary, undertake.

1. access (n/v)
   • Meaning: (n) The means or opportunity to approach or enter; (v) to gain entry to.
   • Synonyms: (n) entry, approach, admission; (v) enter, reach, obtain.
     
2. adequate (adj)
   • Meaning: Sufficient or suitable for a purpose.
   • Synonyms: sufficient, enough, appropriate, satisfactory, suitable.
     
3. annual (adj)
   • Meaning: Occurring yearly or once a year.
   • Synonyms: yearly, once-a-year, periodic, seasonal, annual.
     
4. apparent (adj)
   • Meaning: Clearly visible or understood; seeming true.
   • Synonyms: clear, obvious, evident, noticeable, seeming.
     
5. approximate (adj/v)
   • Meaning: (adj) Nearly accurate; (v) to estimate or come close to.
   • Synonyms: (adj) rough, estimated, near; (v) estimate, guess, approach.
     
6. attitude (n)
   • Meaning: A way of thinking or feeling about something.
   • Synonyms: opinion, perspective, viewpoint, stance, belief.
     
7. attribute (n/v)
   • Meaning: (n) A quality or characteristic; (v) to regard as caused by.
   • Synonyms: (n) characteristic, feature, trait; (v) ascribe, assign, credit.
     
8. civil (adj)
   • Meaning: Relating to citizens or society; polite.
   • Synonyms: societal, public, civilian, polite, courteous.
     
9. code (n/v)
   • Meaning: (n) A system of rules or symbols; (v) to write in a programming language.
   • Synonyms: (n) system, rules, cipher; (v) program, encode.
     
10. commit (v)
    • Meaning: To pledge, carry out, or dedicate to an action.
    • Synonyms: dedicate, devote, undertake, perform, engage.
      
11. communicate (v)
    • Meaning: To share or exchange information or ideas.
    • Synonyms: convey, share, express, transmit, inform.
      
12. concentrate (v/n)
    • Meaning: (v) To focus attention or effort; (n) a concentrated form.
    • Synonyms: (v) focus, center, devote; (n) essence, extract.
      
13. confer (v)
    • Meaning: To discuss or grant (e.g., an award).
    • Synonyms: discuss, consult, grant, bestow, award.
      
14. contrast (n/v)
    • Meaning: (n) A difference between things; (v) to compare to show differences.
    • Synonyms: (n) difference, distinction; (v) compare, differentiate, oppose.
      
15. cycle (n/v)
    • Meaning: (n) A series of events that repeat; (v) to go through a cycle.
    • Synonyms: (n) series, sequence, loop; (v) repeat, recur.
      
16. debate (n/v)
    • Meaning: (n) A formal discussion; (v) to discuss or argue.
    • Synonyms: (n) discussion, argument; (v) discuss, argue, dispute.
      
17. despite (prep)
    • Meaning: In spite of; regardless of.
    • Synonyms: in spite of, regardless of, notwithstanding, even though.
      
18. dimension (n)
    • Meaning: A measurable aspect (e.g., size, scope) or feature.
    • Synonyms: aspect, feature, size, scope, extent.
      
19. domestic (adj)
    • Meaning: Relating to the home, family, or a country’s internal affairs.
    • Synonyms: home, household, local, national, internal.
      
20. emerge (v)
    • Meaning: To come into view or become known.
    • Synonyms: appear, arise, surface, become visible, develop.
      
21. error (n)
    • Meaning: A mistake or inaccuracy.
    • Synonyms: mistake, fault, inaccuracy, blunder, oversight.
      
22. ethnic (adj)
    • Meaning: Relating to a specific cultural or racial group.
    • Synonyms: cultural, racial, tribal, traditional, national.
      
23. goal (n)
    • Meaning: An aim or desired result.
    • Synonyms: aim, objective, target, purpose, ambition.
      
24. grant (n/v)
    • Meaning: (n) A sum of money given; (v) to give or allow.
    • Synonyms: (n) funding, award; (v) give, award, provide.
      
25. hence (adv)
    • Meaning: For this reason; therefore.
    • Synonyms: therefore, thus, consequently, for this reason.
      
26. hypothesis (n)
    • Meaning: A proposed explanation based on limited evidence.
    • Synonyms: theory, assumption, proposition, supposition, idea.
      
27. implement (v/n)
    • Meaning: (v) To put into action; (n) a tool or means.
    • Synonyms: (v) carry out, execute, apply; (n) tool, instrument.
      
28. implicate (v)
    • Meaning: To show involvement or connection, often negatively.
    • Synonyms: involve, link, connect, incriminate, associate.
      
29. impose (v)
    • Meaning: To force or apply (e.g., rules, taxes).
    • Synonyms: enforce, apply, inflict, introduce, establish.
      
30. integrate (v)
    • Meaning: To combine or incorporate into a whole.
    • Synonyms: combine, merge, unify, blend, incorporate.
      
31. internal (adj)
    • Meaning: Located within or relating to the inside.
    • Synonyms: inner, inside, domestic, interior, intrinsic.
      
32. investigate (v)
    • Meaning: To examine or study systematically.
    • Synonyms: examine, study, research, probe, explore.
      
33. job (n)
    • Meaning: A specific task or role of employment.
    • Synonyms: task, role, position, work, employment.
      
34. label (n/v)
    • Meaning: (n) A tag or description; (v) to assign a description.
    • Synonyms: (n) tag, name, title; (v) name, tag, categorize.
      
35. mechanism (n)
    • Meaning: A system or process for achieving something.
    • Synonyms: system, process, device, method, structure.
      
36. obvious (adj)
    • Meaning: Easily seen or understood; clear.
    • Synonyms: clear, evident, apparent, plain, noticeable.
      
37. occupy (v)
    • Meaning: To take up space, time, or a role.
    • Synonyms: inhabit, fill, take up, hold, engage.
      
38. option (n)
    • Meaning: A choice or possibility.
    • Synonyms: choice, alternative, possibility, selection, preference.
      
39. output (n)
    • Meaning: The amount produced or results generated.
    • Synonyms: production, result, yield, outcome, product.
      
40. overall (adj/adv)
    • Meaning: Considering everything; as a whole.
    • Synonyms: total, general, complete, comprehensive, altogether.
      
41. parallel (adj/n/v)
    • Meaning: (adj) Similar or occurring simultaneously; (n) a similarity; (v) to be similar.
    • Synonyms: (adj) similar, comparable; (n) similarity; (v) match, align.
      
42. parameter (n)
    • Meaning: A limit or boundary defining scope.
    • Synonyms: limit, boundary, criterion, guideline, factor.
      
43. phase (n)
    • Meaning: A distinct stage in a process or development.
    • Synonyms: stage, period, step, part, segment.
      
44. predict (v)
    • Meaning: To forecast or estimate future events.
    • Synonyms: forecast, foretell, anticipate, estimate, prophesy.
      
45. principal (adj/n)
    • Meaning: (adj) Most important; (n) a leader or main amount.
    • Synonyms: (adj) main, chief, primary; (n) leader, head, main sum.
      
46. prior (adj)
    • Meaning: Happening or existing before.
    • Synonyms: previous, earlier, former, preceding, initial.
      
47. professional (adj/n)
    • Meaning: (adj) Relating to a skilled occupation; (n) a person in such an occupation.
    • Synonyms: (adj) expert, skilled; (n) expert, specialist, practitioner.
      
48. project (n/v)
    • Meaning: (n) A planned task or study; (v) to plan or estimate.
    • Synonyms: (n) plan, task, scheme; (v) plan, forecast, extend.
      
49. promote (v)
    • Meaning: To encourage, support, or advance.
    • Synonyms: encourage, advance, support, boost, further.
      
50. regime (n)
    • Meaning: A system of government or management.
    • Synonyms: system, government, rule, administration, authority.
      
51. resolve (v/n)
    • Meaning: (v) To settle or find a solution; (n) determination.
    • Synonyms: (v) solve, settle, address; (n) determination, resolution.
      
52. retain (v)
    • Meaning: To keep or hold onto something.
    • Synonyms: keep, maintain, hold, preserve, continue.
      
53. series (n)
    • Meaning: A sequence of related events or items.
    • Synonyms: sequence, chain, set, succession, group.
      
54. statistic (n)
    • Meaning: A numerical fact or datum.
    • Synonyms: data, figure, number, fact, metric.
      
55. status (n)
    • Meaning: The position or condition of something or someone.
    • Synonyms: position, standing, condition, rank, situation.
      
56. stress (n/v)
    • Meaning: (n) Pressure or emphasis; (v) to emphasize or strain.
    • Synonyms: (n) pressure, strain, emphasis; (v) emphasize, highlight.
      
57. subsequent (adj)
    • Meaning: Following in time or order.
    • Synonyms: following, later, succeeding, next, ensuing.
      
58. sum (n/v)
    • Meaning: (n) A total amount; (v) to add or summarize.
    • Synonyms: (n) total, amount, aggregate; (v) add, total, summarize.
      
59. summary (n)
    • Meaning: A brief statement of main points.
    • Synonyms: overview, outline, synopsis, recap, abstract.
      
60. undertake (v)
    • Meaning: To begin or commit to a task.
    • Synonyms: begin, start, take on, engage in, commit to.

Exceptional effort! You’ve now mastered 60 dynamic vocabulary words from Sublist 4, adding to your impressive total of 240 terms across Sublists 1 through 4, significantly enhancing your IELTS Reading capabilities. This milestone brings you ever closer to your 40/40 goal.

Click here to move on to Sublist 5 and continue your journey toward reading perfection!