To fluctuate is defined as to change in amount or rise and fall.verb
An example of fluctuate is when a temperature goes from hot to cold to hot.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
- to move back and forth or up and down; rise and fall; undulate, as waves
- to be continually changing or varying in an irregular way: prices fluctuated wildly
Origin: < L fluctuatus, pp. of fluctuare < fluctus, a flowing, wave < pp. stem of fluere, to flow < IE *bhleu-, to swell up, flow (> bluster) < base *bhel-, to swell up > ball
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verb fluc·tu·at·ed, fluc·tu·at·ing, fluc·tu·ates verb, intransitive
- To vary irregularly. See Synonyms at swing.
- To rise and fall in or as if in waves; undulate.
Origin: Latin flūctuāre, flūctuāt-, from flūctus, a flowing, from past participle of fluere, to flow; see bhleu- in Indo-European roots.
- flucˈtu·ant adjective
- flucˌtu·aˈtion noun