fluctuate

Meanings

1. 1
   verb

   To rise and fall or change irregularly.

   Prices fluctuate from day to day depending on demand.

2. 2
   verb

   To keep changing one's mind; to waver.

   He fluctuated between staying at home and starting a new job abroad.

First attested in the 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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