verb · academic

fluctuate

UK/ˈflʌktjueɪt/US/ˈflʌktʃueɪt/FLUC·tu·ate

Band 6-7task1task2speaking

to change level, strength, or value frequently and irregularly; to vary

Examples

Prices tend to fluctuate during peak tourist season.

In Task 1 describe whether the line fluctuates or follows a steady trend.

Student numbers have fluctuated over the past decade, reflecting policy changes.

Band 8 sentence

Exchange rates fluctuated considerably last month due to geopolitical uncertainty.

Collocations

  • fluctuate wildly
  • fluctuate around
  • fluctuate between

Word family

fluctuation nounfluctuating adjective

Common mistakes

fluctuate fromfluctuate between/around

be fluctuatedfluctuate

Say it for a higher band

5change6vary7+fluctuate

Synonyms

vary

Easily confused

vary

Temperatures vary during the day.

Related words

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In Sublist 9

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