fluctuate
verb (used without object)
to change continually; shift back and forth; vary irregularly.
fluctuates
-
present tense formof fluctuate (3rd person singular).present tense
Used to describe things happening now or regularly.
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.
However, because Antarctic ice coverage naturally fluctuates considerably from year to year, researchers remain uncertain whether this gradual increase reflected a meaningful long-term change.
From Science Daily ● Oct. 16, 2026
As packages are unveiled and sold, available inventory on the website fluctuates — which means fans can spend a lot of time checking and rechecking.
From Los Angeles Times ● Aug. 20, 2026
It’s one of the largest concentrations of capybaras in São Paulo, though its exact number of members fluctuates.
From Slate ● May 27, 2026
That reaction is mainly driven by changes in progesterone levels, which peak, and oestrogen, which fluctuates, triggering strong feelings of despair, loss and a lack of control.
From BBC ● May 16, 2026
In addition, receptivity to innovation fluctuates in time within the same region.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
