v.
Pronunciation: ' fl ə k-ch ə - ˌ w ā t, -chü- ˌ ā t
Function: verb
Inflected Form: -at · ed ; -at · ing
Etymology: Latin fluctuatus, past participle of fluctuare, from fluctus flow, wave, from fluere ― more at FLUID
Date: 1634
intransitive verb
1 : to shift back and forth uncertainly
2 : to ebb and flow in waves
transitive verb : to cause to fluctuate
synonyms see SWING
– fluc · tu · a · tion \ ˌ fl ə k-ch ə - ' w ā -sh ə n, -chü- ' ā - \ noun
– fluc · tu · a · tion · al \ -shn ə l, -sh ə -n ə l \ adjective