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Synonyms

fluctuate

American  
[fluhk-choo-eyt] / ˈflʌk tʃuˌeɪt /

verb (used without object)

fluctuated, fluctuating
  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.

    Synonyms:
    oscillate

verb (used with object)

fluctuated, fluctuating
  1. to cause to fluctuate.

fluctuate British  
/ ˈflʌktjʊˌeɪt /

verb

  1. to change or cause to change position constantly; be or make unstable; waver or vary

  2. (intr) to rise and fall like a wave; undulate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does fluctuate mean? Fluctuate means to continually change or shift back and forth.The verb is most commonly used in the context of abstract or intangible things that frequently change, such as temperature, the stock market, or someone’s mood.This kind of continual change is called fluctuation.Example: The volume on my TV keeps fluctuating—it gets louder during commercials and then it gets quiet again when the show comes back on.

Related Words

See waver 1.

Other Word Forms

  • nonfluctuating adjective
  • unfluctuating adjective

Etymology

Origin of fluctuate

First recorded in 1625–35; from Latin fluctuātus “undulated,” past participle of fluctuāre “to flow,” equivalent to fluctu(s) “a flowing” (derivative of fluere “to flow”) + -ātus -ate 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But the DWP's own advisers say ministers have not done enough to reassure claimants, including those described as having "fluctuating" conditions, that "undertaking work‑related activities might lead to reassessment", and hence lower benefit awards.

From BBC

Rates fluctuate constantly, and you don’t want to rely too heavily on a single product when you need to keep up with inflation and make your money last the rest of your life.

From MarketWatch

The date of the astronomical equinox also tends to naturally fluctuate between 20 and 21 March.

From BBC

With fluctuating natural-gas prices, budgeting for that heat is difficult, he adds.

From The Wall Street Journal

"Dragon fruit has helped me diversify the farm income. If coffee prices fall or pepper prices fluctuate, crops like dragon fruit helped me sustain the estate," he says.

From BBC