Words / C1

FLUKCH-oo-ayt/ˈflʌktʃueɪt/

Fluctuate means rise and fall irregularly, not in a single direction. Native writers use it for prices, mood, temperature, and scores. Change is too general; vary can be planned (the menu varies); oscillate is more technical. Fluctuation is the noun: fluctuations in demand.

Meaning

To rise and fall irregularly.

Examples

• “Prices fluctuate during the year.”
• “Enrolment fluctuates from term to term.”
• “Her confidence fluctuated as the results came in.”

Good to know

fluctuate = go up and down. Noun: fluctuation(s). steadier opposite: remain stable.

Near in meaning

vary

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