oscillate
verb (used without object)
to swing or move to and fro, as a pendulum does.
oscillated
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past participleof oscillate.past participle
A verb form used in perfect and passive verb constructions and that can also function as a modifier.
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past tense formof oscillate.past tense
Used to describe completed actions or previous habitual actions.
oscillateverb (used without object)to swing or move to and fro, as a pendulum does.
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.
Its overall light field oscillated in the same direction, even though it contained photons of different colors traveling along many different paths.
From Science Daily ● Aug. 8, 2026
Even though the stock-bond correlation has oscillated widely over the years, this ratio has remained remarkably constant — as you can see from the chart above.
From MarketWatch ● Apr. 30, 2026
Since then, the president has oscillated between saying the US has already won the war and that the military campaign will continue for a number of weeks, usually ranging between two and six.
From BBC ● Apr. 3, 2026
The Korean won has oscillated between a sharp appreciation in the first half of last year and then a deep depreciation in the second.
From The Wall Street Journal ● Jan. 28, 2026
The only sound was the fan, clicking each time it oscillated across the room.
From "We'll Fly Away" by Bryan Bliss
