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IELTS Vocabulary for Band 7

For band 7 vocabulary, examiners look for less common words used accurately and naturally, especially collocations. Below are useful words and phrases grouped by what they do, with example sentences and the mistakes to avoid.

Last updated: 7 October 2026 · Written by the PrepEve team

The rule: accurate beats fancy

Lexical Resource is 25% of your Writing and Speaking score. Examiners reward words used precisely and naturally. A rare word used wrongly costs more than a common word used well. Learn words in phrases (collocations), not alone: "make a decision", not "do a decision".

Useful band 7 vocabulary by function

Instead of "good" or "bad"

Word / phraseExample
beneficial / advantageousRemote work can be beneficial for parents.
detrimental / harmfulToo much screen time is detrimental to sleep.
worthwhileLearning a second language is a worthwhile investment.
counterproductiveBanning phones in class may be counterproductive.

Instead of "a lot" or "very"

Word / phraseExample
a significant number ofA significant number of graduates move abroad.
considerablyPrices have risen considerably since 2020.
substantialThere has been a substantial increase in online learning.
widespreadMobile payments are now widespread in India.

Cause and effect

Word / phraseExample
lead to / result inLong commutes can lead to stress.
stem fromMany health problems stem from poor diet.
contribute toTraffic contributes to air pollution.
as a consequenceAs a consequence, fewer people walk to work.

Giving opinions

Word / phraseExample
I would argue thatI would argue that this policy is unfair.
It seems to me thatIt seems to me that both sides have a point.
I am inclined to believeI am inclined to believe that education should be free.
On balanceOn balance, the benefits outweigh the drawbacks.

Contrast

Word / phraseExample
whereasCities offer jobs, whereas villages offer space.
neverthelessThe plan is expensive. Nevertheless, it is necessary.
on the other handOn the other hand, some people prefer offices.
despite + nounDespite the cost, many families choose private schools.

Speaking: natural fillers that do not lose marks

Word / phraseExample
That's an interesting question.Buys a second to think, naturally.
I've never really thought about it, but…Honest and fluent.
Off the top of my head…Signals a quick, natural answer.
What I mean is…Useful for rephrasing without stopping.

Collocations examiners like

  • pose a threat · raise awareness · bridge the gap · meet the demand
  • a heavy workload · a sharp rise · a gradual decline · a growing concern
  • play a vital role · have a lasting impact · take into account · draw a conclusion

Words to use carefully

  • "Nowadays" at the start of every essay. Overused; vary it or remove it.
  • Memorised idioms ("it's raining cats and dogs") in Writing sound unnatural.
  • "Moreover / Furthermore" in every paragraph. Overusing linkers lowers Coherence.

Want feedback on how you use words, not just which words? See IELTS writing coaching and how to score 7 in IELTS.

Frequently asked questions

How many words do I need for band 7?
There is no fixed number. Band 7 needs a range of less common words used with awareness of style and collocation, and only occasional errors.
Should I use idioms in IELTS?
In Speaking, natural idioms used correctly can help. In Writing, avoid informal idioms; use precise academic phrases instead.
What is the fastest way to improve vocabulary?
Learn words in phrases from what you read and listen to, then use them in your own sentences and get them corrected.