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 Italy has traditionally oscillated between European leadership and peripheral frustration. Julia Khrebtan-Hörhager, The Conversation, 11 Feb. 2026 Headlines oscillated between confidence and confusion. Charles Edward Gehrke, Fortune, 9 Feb. 2026 He’s known as a kind of technological monk, oscillating between prankster and doomsayer. Zachary Fine, New Yorker, 9 Feb. 2026 Trump has spent the past week oscillating wildly between threats of war and offers of peace. Karim Sadjadpour, The Atlantic, 31 Jan. 2026 See All Example Sentences for oscillate
Recent Examples of Synonyms for oscillate
Verb
  • Its budget has fluctuated since its initial startup of $10 million.
    Jeffrey Schweers, The Orlando Sentinel, 13 Feb. 2026
  • For best results, avoid storing in the refrigerator door, where temperatures fluctuate.
    Katie Rosenhouse, Southern Living, 12 Feb. 2026
Verb
  • The relay pairs complete four laps, with women taking the first leg and the team members alternating from there.
    Evan Bush, NBC news, 15 Feb. 2026
  • Each year, the Senate selects one of its members, alternating parties, to read Washington’s 7,641-word address aloud in a legislative session.
    Tiago Ventura, Time, 14 Feb. 2026
Verb
  • The colorful sculptures, which undulate with the wind, are designed to create feathery, streaming canopies that highlight and play off the architecture, light and weather in highly visible public areas.
    John Wenzel, Denver Post, 16 Feb. 2026
  • The undulating frame hangs above a stone console table, adding depth to the all-white hall.
    Kate McGregor, Architectural Digest, 13 Feb. 2026
Verb
  • Within seconds, Perez smacked a cellphone out of the man's hand, swung at his head and tackled him to the ground.
    Sheridan Hendrix, USA Today, 12 Feb. 2026
  • Over the past decade, screening guidelines have swung from recommending routine screening to advising against it to landing somewhere in between, and major organizations still don’t all say it the same way.
    Dr. Jamin Brahmbhatt, CNN Money, 11 Feb. 2026

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Cite this Entry

“Oscillate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/oscillate. Accessed 21 Feb. 2026.

More from Merriam-Webster on oscillate

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