oscillate

Definition of oscillatenext

Synonym Chooser

How does the verb oscillate differ from other similar words?

Some common synonyms of oscillate are fluctuate, sway, swing, undulate, vibrate, and waver. While all these words mean "to move from one direction to its opposite," oscillate stresses a usually regular alternation of direction.

an oscillating fan

Where would fluctuate be a reasonable alternative to oscillate?

While the synonyms fluctuate and oscillate are close in meaning, fluctuate suggests constant irregular changes of level, intensity, or value.

fluctuating interest rates

When is it sensible to use sway instead of oscillate?

The words sway and oscillate are synonyms, but do differ in nuance. Specifically, sway implies a slow swinging or teetering movement.

trees swaying in the breeze

When is swing a more appropriate choice than oscillate?

The synonyms swing and oscillate are sometimes interchangeable, but swing implies a movement of something attached at one end or one side.

the door suddenly swung open

In what contexts can undulate take the place of oscillate?

The meanings of undulate and oscillate largely overlap; however, undulate suggests a gentle wavelike motion.

an undulating sea of grass

When would vibrate be a good substitute for oscillate?

While in some cases nearly identical to oscillate, vibrate suggests the rapid oscillation of an elastic body under stress or impact.

the vibrating strings of a piano

When could waver be used to replace oscillate?

Although the words waver and oscillate have much in common, waver stresses irregular motion suggestive of reeling or tottering.

the exhausted runner wavered before collapsing

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of oscillate How to Change the Grout in Your Shower Start your refresh by removing the old grout with grout removal tools like a grout saw or an oscillating tool equipped with a grout removal blade. — Michelle Mastro, The Spruce, 20 Sep. 2026 After the oscillating light and dark, after the speeding forward, after the commuting or praying or both, this moment seems to hold an extra teaching. — Ben Corn, Christian Science Monitor, 19 Sep. 2026 Oil prices have been on a rollercoaster this year, oscillating as traders react to flare-ups in fighting and monitor oil tanker traffic through the Strait of Hormuz. — John Towfighi, CNN Money, 9 Sep. 2026 But the Sunflower state has regularly oscillated between electing Democrats and Republicans in gubernatorial races in recent decades, and currently has a Democrat in the governor's mansion. — Kaia Hubbard, CBS News, 9 Sep. 2026 See All Example Sentences for oscillate
Recent Examples of Synonyms for oscillate
Verb
  • The speed of the Earth’s rotation can fluctuate, so defining a second as a fraction of a solar day is imprecise.
    — Harriet Marsden, TheWeek, 13 Oct. 2026
  • Most critics either loved it or hated it, and they were split right down the middle, with a Tomatometer rating that has fluctuated around 50% since the film’s release.
    — Jim Hemphill, IndieWire, 12 Oct. 2026
Verb
  • Project Sterling is expected to add 509 megawatts (MW) of direct-current (DC) solar capacity to Arizona, corresponding to 450 MW of alternating-current (AC) capacity.
    — Maria Mocerino, Interesting Engineering, 10 Oct. 2026
  • Guests equipped with wifi, a fire pit, showers, fleece robes, and tea are left in total seclusion to alternate between hot soaks and cannonballing into the ocean, with intermittent paddleboarding.
    — Adrienne Matei, Condé Nast Traveler, 10 Oct. 2026
Verb
  • He gets pummeled by waves and rip currents while negotiating the famously difficult shore dive but is soon swimming among brightly colored marine life and undulating kelp forests that filter sunlight from the surface.
    — David Rooney, HollywoodReporter, 14 Oct. 2026
  • Moments later, Jay is trapped inside, surrounded by gooey protrusions of undulating flesh.
    — Owen Gleiberman, Variety, 14 Oct. 2026
Verb
  • In the top of the second, Shohei Ohtani walked to lead off the inning, then stole second as Teoscar Hernandez swung through strike three.
    — Ian Miller OutKick, FOXNews.com, 8 Oct. 2026
  • The Ravens swung a surprise trade Wednesday for Eagles center Cam Jurgens, padding their interior offensive line after injuries to Jovaughn Gwyn and Ethan Pocic.
    — Matt Weyrich, Baltimore Sun, 8 Oct. 2026

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Cite this Entry

“Oscillate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/oscillate. Accessed 15 Oct. 2026.

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