undulate

Synonym Chooser

How does the verb undulate differ from other similar words?

Some common synonyms of undulate are fluctuate, oscillate, sway, swing, vibrate, and waver. While all these words mean "to move from one direction to its opposite," undulate suggests a gentle wavelike motion.

an undulating sea of grass

When is fluctuate a more appropriate choice than undulate?

While in some cases nearly identical to undulate, fluctuate suggests constant irregular changes of level, intensity, or value.

fluctuating interest rates

Where would oscillate be a reasonable alternative to undulate?

The words oscillate and undulate can be used in similar contexts, but oscillate stresses a usually regular alternation of direction.

an oscillating fan

When can sway be used instead of undulate?

While the synonyms sway and undulate are close in meaning, sway implies a slow swinging or teetering movement.

trees swaying in the breeze

When might swing be a better fit than undulate?

Although the words swing and undulate have much in common, swing implies a movement of something attached at one end or one side.

the door suddenly swung open

When would vibrate be a good substitute for undulate?

The meanings of vibrate and undulate largely overlap; however, vibrate suggests the rapid oscillation of an elastic body under stress or impact.

the vibrating strings of a piano

When is it sensible to use waver instead of undulate?

In some situations, the words waver and undulate are roughly equivalent. However, 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 undulate The technique could also be seen via the hand-cut silk wool cascading petal embroideries that undulated down her new Octavia and Adeline gowns. Emily Mercer, Footwear News, 9 Apr. 2025 The bright and modern-tropical aesthetic continues outdoors to its sculpture garden that unfolds in rounded, undulating curves of palms and jasmine. Kelsey Glennon, Southern Living, 5 Mar. 2025 The dining room was all warm, wooden paneling that undulated across the ceiling, booths like half-moons and mostly quiet tables ogling each course … and the champagne cart that coasted throughout the room. Chelsea Brasted, Axios, 18 Dec. 2024 The design firm of Bells + Whistle created a dining room with textured walls that re-create the layered strata of ocean cliffs and an undulating white oak ceiling that mimics the look of rolling ocean waves. Pam Kragen, San Diego Union-Tribune, 28 Mar. 2025 See All Example Sentences for undulate
Recent Examples of Synonyms for undulate
Verb
  • Studies oscillate between whether women who are child-free are ultimately happier or whether the reverse is true.
    Ruthie Ackerman, Time, 29 Apr. 2025
  • Prices of stocks and bonds, along with long-term interest rates, have oscillated up and down in response to the daily verbal sallies from the White House.
    Edward Lotterman, Twin Cities, 27 Apr. 2025
Verb
  • The stock’s annual returns have fluctuated considerably, with a 45% gain in 2021, a sharp 89% decline in 2022, a strong rebound of 278% in 2023, and an exceptional 713% increase in 2024.
    Trefis Team, Forbes.com, 8 May 2025
  • But Anderson’s minutes also fluctuated depending on the matchup.
    Anthony Chiang, Miami Herald, 5 May 2025
Verb
  • And Jerry Grogan, from Indianapolis, is waving the Star Spangled Banner.
    Katie Primm, NBC news, 9 May 2025
  • One of the evening's hosts then mentioned Jenner's name as Chalamet smiled and the camera switched to the make up mogul, who waved and clapped while flashing a huge smile.
    Kirsty Hatcher, People.com, 9 May 2025
Verb
  • His shot from just beyond the left circle deflected off Toronto defenseman Morgan Rielly before fluttering past goaltender Joseph Woll and into the net.
    Jordan McPherson, Miami Herald, 10 May 2025
  • The red and yellow of Vietnam’s national flag was everywhere in the city — fluttering from buildings, painted on the faces of eager teenagers and on the T-shirts of those who had traveled to the city from all over the country.
    Aniruddha Ghosal, Los Angeles Times, 30 Apr. 2025
Verb
  • The extraordinary source material is a profound inspiration to build a unique world that vibrates with life and death at the same time.
    Andreas Wiseman, Deadline, 16 May 2025
  • Many ultrasonic cool mist humidifiers—humidifiers that vibrate to make mist—can lower water mineralization and bacterial growth.
    Lindsay Curtis, Health, 11 Apr. 2025
Verb
  • RuPaul's Drag Race All Stars 10 contestant Phoenix's drama with Ice Spice must've stirred too much after the season 3 queen clapped back against the guest judge's Main Stage critiques about her icon status, but the Drag Race OG hopes the rapper isn't too shaken in the aftermath.
    Joey Nolfi Published, EW.com, 17 May 2025
  • Clips of the pair shaking hands alongside the disco beat are making the rounds on social media.
    Kathryn Palmer, USA Today, 16 May 2025
Verb
  • All eyes — and cellphones — were focused upward at the flickering white cubes.
    Edwin Goei, Los Angeles Times, 16 May 2025
  • Humans will see the screen as a continuous motion, but dogs, on the other hand, perceive the images as a series of flickering pictures.
    Liz O'Connell, MSNBC Newsweek, 9 May 2025
Verb
  • The constable threw her convulsing body over the back of a horse and carted her to county lines.
    Maureen Lee Lenker, EW.com, 13 May 2025
  • Markets immediately began convulsing, and in the days that followed, Trump exempted more than a third of goods coming from Canada until April 2.
    Jennifer Jett, NBC News, 15 Mar. 2025

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Cite this Entry

“Undulate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undulate. Accessed 21 May. 2025.

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