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Definition of fluctuation

fluctuation

/ˌflʌk.tʃuˈeɪ.ʃən/
fluc · tu · a · tion
Plural:fluctuations
•
Adjective:fluctuant
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fluctuation Lexical Profile

fluctuation Game Scores & Validity

• noun

1

An irregular rising and falling in number, amount, quality, or intensity; a continual shift from one state or level to another.

Example

"Seasonal fluctuations in temperature can significantly affect the growth rate of agricultural crops."

2

A wavelike motion or undulation of a fluid or physical medium, including the palpable movement of fluid within a bodily cavity.

Example

"During the physical examination, the physician palpated the swollen joint to detect any fluid fluctuation."

Synonyms
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Antonyms
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• Rhymes for fluctuation

• Nearby Words

flub
flubber
fluctuate
fluctuation
flue
fluency
fluent

Word Origin & Etymology

Borrowed in the early 17th century from Latin fluctuatio, meaning 'a wavering or rolling movement,' derived from the verb fluctuare ('to rise in waves'), from fluctus ('a wave').

Cite this Entry

Wordmom. (2026). Definition of Fluctuation. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fluctuation
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