as in undulant
rising and falling in a wavelike pattern
The undulating terrain was difficult to traverse on foot.
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as in fluctuating
formal
to move or be shaped like waves
undulating hills an undulating surface
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Example Sentences
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Recent Examples of undulating
Alissa Greenberg, Mercury News, 15 June 2026
The 24,000-acre amalgam of forests, limestone caves, and undulating peaks features 85 trail miles to get your steps in.
—Stephanie Vermillion, Travel + Leisure, 7 June 2026
The woman's phone is encased in an undulating rubbery glitter sculpture with tiny portraits of K-pop idols suspended inside.
—Carly Tagen-Dye, PEOPLE, 3 June 2026
Passengers are treated to rare desert vistas that aren’t visible from surrounding interstates as the train glides by vast ranches, undulating mountains, and scenic pueblos.
—Jessica Puckett, Condé Nast Traveler, 3 June 2026
The simple walking pattern adopted by fish, which the Cambridge researchers call an ‘undulating tripod gait’, can appear to be quite clumsy and involves too much flopping.
—Abhishek Bhardwaj, Interesting Engineering, 2 June 2026
Suddenly, the undulating fields are sparkling in the moist air, redolent with the incongruous scents of peat and political oppression.
—Literary Hub, 28 May 2026
The Crown alum made a glittering entrance in a black gown complete with an undulating three-dimensional element.
—Hannah Malach, InStyle, 22 May 2026
With favorites falling to the wayside all over the undulating greens at Aronimink Golf Club, the ever-unflappable Scheffler sits atop the leaderboard after the opening day’s golf in Philadelphia.
—Thomas Schlachter, CNN Money, 15 May 2026
Verb
In its place, the landscape turns to gently undulating hills spangled with cows or draped with vineyards.
—Alissa Greenberg, Mercury News, 15 June 2026
The 24,000-acre amalgam of forests, limestone caves, and undulating peaks features 85 trail miles to get your steps in.
—Stephanie Vermillion, Travel + Leisure, 7 June 2026
The woman's phone is encased in an undulating rubbery glitter sculpture with tiny portraits of K-pop idols suspended inside.
—Carly Tagen-Dye, PEOPLE, 3 June 2026
Passengers are treated to rare desert vistas that aren’t visible from surrounding interstates as the train glides by vast ranches, undulating mountains, and scenic pueblos.
—Jessica Puckett, Condé Nast Traveler, 3 June 2026
The simple walking pattern adopted by fish, which the Cambridge researchers call an ‘undulating tripod gait’, can appear to be quite clumsy and involves too much flopping.
—Abhishek Bhardwaj, Interesting Engineering, 2 June 2026
Suddenly, the undulating fields are sparkling in the moist air, redolent with the incongruous scents of peat and political oppression.
—Literary Hub, 28 May 2026
The Crown alum made a glittering entrance in a black gown complete with an undulating three-dimensional element.
—Hannah Malach, InStyle, 22 May 2026
With favorites falling to the wayside all over the undulating greens at Aronimink Golf Club, the ever-unflappable Scheffler sits atop the leaderboard after the opening day’s golf in Philadelphia.
—Thomas Schlachter, CNN Money, 15 May 2026
Recent Examples of Synonyms for undulating
Adjective
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Our drills included hours of seamlessly merging poetry with three chords, providing me with an undulant field to riff on.—
Patti Smith,
New Yorker,
1 Nov. 2025
-
As the undulant hills beyond the valley turned blue in front of me, a cat sauntered onto the veranda and wound its tail around my ankles.—
Literary Hub,
Literary Hub,
16 Oct. 2025
Verb
-
Shady Alassar | Anadolu | Getty Images Oil rose slightly early Tuesday, fluctuating as investors show cautious optimism about an end to the conflict in the Middle East.—
Justina Lee,
CNBC,
23 June 2026
-
Google fell less than 1% Tuesday, while SpaceX gained about 1% after fluctuating in volatile trading.—
David Goldman,
CNN Money,
23 June 2026
Adjective
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Felicity Blunt’s black manicure Felicity Blunt arrived at Ascot with her husband Stanley Tucci, sporting a sassy wavy bob hidden under her hat.—
Laura Scafati,
Vanity Fair,
20 June 2026
-
This charming, wavy rug is ideal for smaller spaces or as a layer to add plushness to a flat-weave.—
Briana Feigon,
Architectural Digest,
17 June 2026
Verb
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The interactions between the electrons of these oscillating atoms changed their angles too.—
Ameya Paleja,
Interesting Engineering,
10 June 2026
-
The self-winding mechanical movement is also equipped with an 18-karat pink-gold oscillating weight and balance bridge—done up in the material specifically for this collection.—
Nicole Hoey,
Robb Report,
4 June 2026
Adjective
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The front nine plays through a scenic, rolling valley while the back nine plays through the towering pines of the forest.—
Larry Olmsted,
Forbes.com,
21 June 2026
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From his sprawling property in the rolling hills of northwest Georgia, Greg Baer built a self-help organization with a deeply human mission.—
Rich Schapiro,
NBC news,
20 June 2026
Verb
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In Second Nature, scientists theorize that Darwin couldn’t help but impose his own heterosexual ideations on animal reproduction, mainly that animals only copulate for the purposes of reproduction, with males being the aggressors and females fluttering their eyelids behind lace fans, or something.—
Rachel Brodsky,
Rolling Stone,
20 June 2026
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Twice during the game at the Lincoln Financial Field, the Brazil fans unfurled a fluttering banner celebrating five icons of five World Cup-winning teams; Didi, Garrincha, Pele, Romario and Ronaldo.—
James Horncastle,
New York Times,
20 June 2026
Adjective
-
Stowers getting regular first base work Stowers is beginning to produce after his season got off to an uneven start following to a pair of hamstring injuries in spring training.—
Jordan McPherson,
Miami Herald,
18 June 2026
-
The president says market gains helped guide his push to reach a deal with Iran, even as critics warn that stocks are an uneven measure of national interest.—
Cat Zakrzewski,
Washington Post,
18 June 2026
Verb
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Turn to face the shore, tread water, and signal for help by calling out or waving your arms.—
NC Weather Bot,
Charlotte Observer,
18 June 2026
-
This week, social media was rife with videos of fans from Argentina in Kansas City for the match against Algeria in high spirits, chanting and waving flags in places like Jack Stack Barbecue.—
Eric Adler
June 18,
Kansas City Star,
18 June 2026
Cite this Entry
“Undulating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undulating. Accessed 25 Jun. 2026.
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