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 Blood sugar levels oscillate throughout the day in reaction to food, sleep, and activities; significant variation in CGM values may lead parents to overreact. Lauren Chan, STAT, 8 July 2026 The commodity cycle will always oscillate, and the geopolitical map will always redraw itself. Anil Chintapalli, Forbes.com, 7 July 2026 Unlike conventional ion traps that rely on oscillating radio-frequency fields, the Penning trap uses static electric and magnetic fields. Aamir Khollam, Interesting Engineering, 3 July 2026 The Feeneys oscillated between C and B over the years, a plus or minus coming depending on how much time had passed since the founding. Christopher Buchanan, Los Angeles Times, 26 June 2026 See All Example Sentences for oscillate
Recent Examples of Synonyms for oscillate
Verb
  • When the dollar was fixed to gold, the level of interest rates fluctuated, depending on market conditions.
    Steve Forbes, Forbes.com, 21 July 2026
  • As perimenopause causes hormone levels to fluctuate, women can experience a range of symptoms.
    Melissa Rudy, FOXNews.com, 21 July 2026
Verb
  • The study included 49 adults who ate tortilla chips and salsa once a week for two weeks, alternating between mild and spicy.
    Ryan Brennan, Fort Worth Star-Telegram, 31 July 2026
  • Weeks 1 through 3 alternate 5 to 10 minutes of walking with short 1- to 3-minute rest breaks, three days a week.
    Samantha Agate, Miami Herald, 31 July 2026
Verb
  • An undulating white ceiling appears to float above bookshelves, reading areas and living trees.
    David Nikel, Forbes.com, 27 July 2026
  • The undulating synth lead seems tailored to mimic the tone and timbre of a classical Indian singer, a comparison borne out by the occasional flashes of vocal sample peeking through the mix.
    Philip Sherburne, Pitchfork, 18 July 2026
Verb
  • If the answer swings on how the question was phrased, the model is not measuring anything about the match.
    Boaz Sobrado, Forbes.com, 1 Aug. 2026
  • Out in the clean air, this pointer swung away from the compass to aim at the plume’s edge, several seconds before the fly physically turned to head back.
    Jacek Krywko, ArsTechnica, 1 Aug. 2026

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Cite this Entry

“Oscillate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/oscillate. Accessed 3 Aug. 2026.

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