fluctuating

From the verb fluctuate: (⇒ conjugate)

fluctuating is: ⓘ

v pres p

WordReference Random House Learner's Dictionary of American English © 2025

fluc•tu•ate /ˈflʌktʃuˌeɪt/   v. [no object] , -at•ed, -at•ing. 

1. to change continually; vary irregularly;
   shift back and forth or up and down:
   Prices fluctuated wildly.

fluc•tu•a•tion /ˌflʌktʃuˈeɪʃən/  n. [countable] See -flu-.

WordReference Random House Unabridged Dictionary of American English © 2025

fluc•tu•ate  (fluk′cho̅o̅ āt′), v., -at•ed, -at•ing. 
v.i. 

1. to change continually;
   shift back and forth;
   vary irregularly:
   The price of gold fluctuated wildly last month.
2. to move back and forth in waves.

v.t. 

3. to cause to fluctuate.

• Latin fluctuātus undulated, past participle of fluctuāre to flow, equivalent. to fluctu(s) a flowing (derivative of fluere to flow) + -ātus -ate¹
• 1625–35

Synonyms

• 1. See waver. 
• 2. oscillate.

Collins Concise English Dictionary © HarperCollins Publishers::

fluctuate / ˈflʌktjʊˌeɪt/ verb

1. to change or cause to change position constantly; be or make unstable; waver or vary
2. (intransitive) to rise and fall like a wave; undulate

Etymology: 17th Century: from Latin fluctuāre, from fluctus a wave, from fluere to flow