Definition of fluctuate
- Oil prices fluctuated.
- Temperatures fluctuated.
- The boat fluctuated on the rough sea.
His popularity has fluctuated during his term in office.
In the desert, the temperature fluctuates dramatically.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluctuate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: to change level, strength, or value frequently
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