fluctuates; fluctuated; fluctuating
: to change level, strength, or value frequently
Oil prices fluctuated [=became higher, lower, etc.] throughout the year.
fluctuating prices
His popularity has fluctuated during his term in office.
In the desert, the temperature fluctuates dramatically.
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“Fluctuate.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/fluctuate. Accessed 24 Jun. 2026.
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