fluctuate

Pronunciation: /ˈflʌkt͡ʃu.eɪt/

The English word “fluctuate” has 7 meanings listed here.

verb

To vary irregularly; to swing.
To undulate.
To be irresolute; to waver.
To cause to vary irregularly.
To rise and fall as a wave; to be tossed up and down the waves.

adjective

Tossed up and down the waves.
Wavering, fickle.

Etymology

First attested in 1630; borrowed from Latin flūctuātus, perfect passive participle of flūctuō (“(of the sea) to surge, swell; (of man) to waver, fluctuate”), see -ate (verb-forming suffix) and -ate (adjective-forming suffix).

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More English words

fluctuability
fluctuable
fluctuance
fluctuant
fluctuating
fluctuatingly
fluctuation
fluctuation theorem

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.