To fluctuate is defined as to change in amount or rise and fall.
An example of fluctuate is when a temperature goes from hot to cold to hot.
intransitive verb-·at·ed, -·at·ing
- 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 of fluctuatefrom Classical Latin fluctuatus, past participle of fluctuare from fluctus, a flowing, wave from past participle stem of fluere, to flow from Indo-European an unverified form bhleu-, to swell up, flow (from source bluster) from base an unverified form bhel-, to swell up from source ball
to cause to fluctuate
intransitive verbfluc·tu·at·ed, fluc·tu·at·ing, fluc·tu·ates
To vary irregularly, especially in amount: School enrollment has fluctuated from year to year.
Origin of fluctuateLatin flūctuāre flūctuāt- from flūctus a flowing from past participle of fluere to flow ; see bhleu- in Indo-European roots.