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Daily IELTS Vocabulary

Five hand-picked Band 7+ words every day, with pronunciation, an IELTS-style example, synonyms, collocations and a tip on where to use each one in Writing or Speaking. Come back tomorrow for five more.

Monday, 12 October 2026
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fatal

adjective FAY-tul
Health Band 6+

Causing death.

The disease is rarely fatal if it is treated early.

Synonyms
  • deadly
  • lethal
  • mortal
Collocations
  • fatal accident
  • potentially fatal
  • prove fatal

IELTS tip: Also used for serious mistakes: 'a fatal error'. Collocate with 'potentially'.

compound

noun KOM-pownd
Science Band 7+

A substance formed by combining two or more chemical elements.

Scientists isolated a compound in the plant that may slow tumour growth.

Synonyms
  • chemical combination
  • combination
  • substance
Collocations
  • chemical compound
  • organic compound
  • active compound

IELTS tip: Stress changes: noun KOM-pownd, verb kum-POWND ('to make worse').

boost the economy

collocation boost thee ih-KON-uh-mee
Economy Band 6+

To help the economy grow and become stronger.

Hosting the Olympics is often expected to boost the economy.

Synonyms
  • stimulate growth
  • strengthen the economy
Collocations
  • boost the local economy
  • significantly boost the economy
  • help boost the economy

IELTS tip: A safe Task 2 phrase for the benefits of tourism, events or investment.

for instance

phrase for IN-stuns
Linking Band 6+

Used to give an example.

Many jobs, for instance in banking, can now be done from home.

Synonyms
  • for example
  • such as
  • to illustrate
Collocations
  • for instance,
  • take, for instance,

IELTS tip: Vary 'for example'; examples are essential for band 7+ Task 2 support.

extinction

noun ik-STINK-shun
Environment Band 6+

The situation in which a type of animal or plant no longer exists.

Without urgent protection, several species of rhino face extinction within decades.

Synonyms
  • dying out
  • disappearance
  • annihilation
Collocations
  • face extinction
  • on the verge of extinction
  • mass extinction

IELTS tip: 'On the verge of extinction' is a vivid, accurate phrase for Task 2 and Speaking Part 3.

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