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verb

fluctuate

CEFR C2

to rise and fall irregularly in number or amount

In a sentence

Six example sentences with fluctuate, each labelled with its topic.

  • Shipping rates fluctuate so sharply between quarters that the exporter now quotes prices for only ten days.

    Finance

  • Blood sugar can fluctuate through the night, which is why the monitor records a reading every five minutes.

    Medicine

  • River levels fluctuate with the monsoon, dropping to ankle depth in March and swallowing the footbridge by August.

    Environment

  • Oil prices fluctuate with every rumor about supply, and the airline's fuel budget is rewritten twice a quarter.

    Economics

  • Her minutes fluctuated all season, from thirty-five one night to six the next, depending on the matchup.

    Basketball

  • Mood can fluctuate through a single day, and the study asked volunteers to rate theirs every two hours.

    Psychology

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Found in these word lists

Found in 7 published word lists

Each source is a published word list that contains fluctuate. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.