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 She’s joined by Alfaro on drums and Smith on bass against a colorful backdrop that oscillates from hot pink to deep blue. — Josh Crutchmer, Rolling Stone, 16 Oct. 2026 Dreame’s newest smart fan, the futuristic MF10, provides wide-ranging airflow via two bladeless, independently oscillating wings. — Derek Rose, Time, 15 Oct. 2026 Utilitarian Riding Boots Sézane Bridget Knee Boots As fall’s footwear trends oscillate between exaggerated proportions and practical restraint, the classic riding boot offers a welcome middle ground. — Camila Quimper, Footwear News, 13 Oct. 2026 And, not only that, but the swing starts oscillating faster and faster. — Robert Lea, Space.com, 13 Oct. 2026 See All Example Sentences for oscillate
Recent Examples of Synonyms for oscillate
Verb
  • The reason is related to the price of natural gas that fluctuates, leading to high charges on bills, like in the past, or credits that are expected to last for a one-year period until next May.
    — Christopher Keating, Hartford Courant, 28 Oct. 2026
  • The researchers combined thermodynamic modeling with an economic analysis to examine how storing and releasing reactor heat could improve operational flexibility and help nuclear plants respond to fluctuating electricity prices.
    — Neetika Walter, Interesting Engineering, 28 Oct. 2026
Verb
  • The closures will alternate between northbound and southbound lanes, with only one direction closed at a time.
    — Sacramento Bee contributor, Sacbee.com, 23 Oct. 2026
  • Then, drive your right knee in toward your chest and quickly step it back to plank position, continuing to alternate.
    — Sarah Stiefvater, Flow Space, 23 Oct. 2026
Verb
  • Frequently using 4×4 cedar beams, von Rydingsvard crafted towering forms that appear to undulate and shift.
    — Alex Greenberger, ARTnews.com, 27 Oct. 2026
  • 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
Verb
  • The pendulum has swung so far now that SpaceX seems increasingly disinterested in the US government for most contracts outside of data services, such as Starshield for military communications and observations.
    — Eric Berger, ArsTechnica, 29 Oct. 2026
  • Amelie’s swung open the doors on its original NoDa location in 2008.
    — Tanasia Kenney, Charlotte Observer, 29 Oct. 2026

Browse Nearby Words

Cite this Entry

“Oscillate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/oscillate. Accessed 30 Oct. 2026.

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