Definition of fluctuate
1 : to shift back and forth uncertainly Oil prices fluctuated. Temperatures fluctuated.
2 : to rise and fall in or as if in waves The boat fluctuated on the rough sea.
: to cause to fluctuate
fluctuationplay \ˌflək-chə-ˈwā-shən, -chü-ˈā-\ noun
fluctuationalplay \ˌflək-chə-ˈwā-shnəl, -shə-nəl, -chü-ˈā-\ adjective
Examples of fluctuate in a Sentence
His popularity has fluctuated during his term in office.
In the desert, the temperature fluctuates dramatically.
Recent Examples of fluctuate from the Web
The Kospi stock index fluctuated in Seoul after falling 0.6 percent Tuesday.
Currently, Abby’s Better Nut Butters sells about 3,000 jars of butters per month, though the number fluctuates over the year.
Typically, shares of private companies such as Uber seldom fluctuate in value, as opportunities to trade the stock or gain liquidity are rare.
The lake has fluctuated between 6,220.26 feet and 6,229.39 feet in the past 30 years, reaching the latter mark during a January 1997 flood, according to an article published by Sierra Sun.
Enrollment at Maple has fluctuated in the past five years, while Spring Hill has experienced a 16 percent decline since the 2012-13 school year, according to the Indiana Department of Education.
Midwesterners are a sturdy lot, able to withstand fluctuating temps, surprising weather patterns and severe stuff like tornadoes, floods and drought.
Studies have also indicated various brain regions as playing a role in ASD, and that these areas may fluctuate in size compared with brains of kids without ASD, but the work is still inconclusive.
But while world peace has fluctuated over time, one fact has remained constant: Iceland's still the safest country in the world.
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.
Synonym Discussion of fluctuate
FLUCTUATE Defined for English Language Learners
Definition of fluctuate for English Language Learners
: to change level, strength, or value frequently
FLUCTUATE Defined for Kids
Definition of fluctuate for Students
: to change continually and especially up and down The temperature fluctuated.
Seen and Heard
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