Definition of fluctuate in English:

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Pronunciation: /ˈflʌktʃʊeɪt/
Pronunciation: /ˈflʌktjʊeɪt/


[no object]
Rise and fall irregularly in number or amount: trade with other countries tends to fluctuate from year to year (as adjective fluctuating) a fluctuating level of demand
More example sentences
  • It also shows a person's ability to govern and fluctuate between rising and falling.
  • They stare into an infinite chasm that opens up in the face of using a limited amount of notes that fluctuate from serene moments to bawling noise storms.
  • This means that the absolute amount of re-synthesized sucrose fluctuates considerably with fruit age, by as much as a factor of 3.
vary, differ, shift, change, alter, waver, swing, oscillate, alternate, rise and fall, go up and down, see-saw, yo-yo, be unstable, be unsteady


Mid 17th century (earlier (late Middle English) as fluctuation): from Latin fluctuat- 'undulated', from the verb fluctuare, from fluctus 'flow, current, wave', from fluere 'to flow'.

For editors and proofreaders

Line breaks: fluc¦tu|ate

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