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 This allows lithium ions to oscillate and redistribute more evenly, thereby improving their entry into the anode material. Sujita Sinha, Interesting Engineering, 14 Jan. 2026 An inconsistent scorer who oscillated between starting and the bench for the better part of four years. Joseph Dycus, Mercury News, 9 Jan. 2026 But Minnesota’s performances over the season’s first two and a half months consistently oscillated between awesome and awful. Jace Frederick, Twin Cities, 9 Jan. 2026 An oscillating multi-tool is better for large jobs, and it can also be used for other projects. Lee Wallender, The Spruce, 5 Jan. 2026 See All Example Sentences for oscillate
Recent Examples of Synonyms for oscillate
Verb
  • They’re designed to keep you warm in the fall and throughout the winter without overheating you when temperatures fluctuate.
    Caroline Hughes, Travel + Leisure, 29 Jan. 2026
  • This shift also explains why scrutiny can feel more intense even when the broader enforcement narrative appears to fluctuate.
    Pam Kaur, Forbes.com, 29 Jan. 2026
Verb
  • At concerts, the band would mostly alternate between songs sung by Weir and Garcia.
    Adam Levine, CNN Money, 11 Jan. 2026
  • After Friday’s 12-point loss to Philadelphia, Orlando had alternated between wins and losses the last 12 games.
    Jason Beede, The Orlando Sentinel, 10 Jan. 2026
Verb
  • Nearby, a robot undulates through water like a fish.
    Neetika Walter, Interesting Engineering, 27 Jan. 2026
  • Granite boulders and undulating rock formations surrounded by namesake Joshua trees (Yucca brevifolia) majestically reside among nearly 800 species of plants, from annually blooming wildflowers, to hardy bushes and palms, to 15 types of colorful and peculiar cacti.
    Condé Nast, Condé Nast Traveler, 23 Jan. 2026
Verb
  • After the automatic front doors swing guests into the lobby, an ironwork chandelier, olive-green velour curtains, and a humming fireplace dress the Hotel Chelsea in a confidently maximalist wardrobe.
    Condé Nast, Condé Nast Traveler, 30 Jan. 2026
  • Bend your knees slightly and swing the kettlebell back between your legs.
    RikkiLynn Shields Hannigan, Health, 29 Jan. 2026

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Cite this Entry

“Oscillate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/oscillate. Accessed 1 Feb. 2026.

More from Merriam-Webster on oscillate

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