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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Recent Examples of undulating
Condé Nast, Condé Nast Traveler, 21 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
The undulating landscape lends itself to scenic horseback riding with outfits like Na’alapa Stables, which carries on the tradition of the paniolo cowboys who have herded cattle in the grassy highlands since the late 1800s.
—Cnn.com Wire Service, Mercury News, 8 May 2026
SeaWorld’s sister park in Orlando, Florida, already hosts a nighttime drone show that features undulating manta rays, paddling sea turtles and hovering octopuses.
—Brady MacDonald, Oc Register, 1 May 2026
By the ‘80s, the garden was gone, replaced by a pavilion by Hardy Holzman Pfeiffer — a postmodern Mesopotamian gate with glass blocks and undulating turquoise handrails.
—Bloomberg, 24 Apr. 2026
The Tree House Suites’ undulating design resembles the seedpod of the purple millettia, a common Southeast Asian flowering plant.
—Travel + Leisure Editors, Travel + Leisure, 15 Apr. 2026
Toyo Ito’s 2006 Meiso no Mori Funeral Hall in Gifu, Japan, shelters mourners beneath an undulating thin-concrete canopy like a billowing shroud.
—Justin Davidson, Curbed, 14 Apr. 2026
In place of drums is a constant floor of undulating synth bass, which sometimes twists itself into the treble range but mostly functions as the x-axis to the percussion’s y in the vast lattice structure that supports this music.
—Daniel Bromfield, Pitchfork, 9 Apr. 2026
Verb
Far below the most abstract undulating curved frozen shapes where the weight of the sea ice has forged the shoreline into a white sculpture park.
—Condé Nast, Condé Nast Traveler, 21 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
The undulating landscape lends itself to scenic horseback riding with outfits like Na’alapa Stables, which carries on the tradition of the paniolo cowboys who have herded cattle in the grassy highlands since the late 1800s.
—Cnn.com Wire Service, Mercury News, 8 May 2026
SeaWorld’s sister park in Orlando, Florida, already hosts a nighttime drone show that features undulating manta rays, paddling sea turtles and hovering octopuses.
—Brady MacDonald, Oc Register, 1 May 2026
By the ‘80s, the garden was gone, replaced by a pavilion by Hardy Holzman Pfeiffer — a postmodern Mesopotamian gate with glass blocks and undulating turquoise handrails.
—Bloomberg, 24 Apr. 2026
The Tree House Suites’ undulating design resembles the seedpod of the purple millettia, a common Southeast Asian flowering plant.
—Travel + Leisure Editors, Travel + Leisure, 15 Apr. 2026
Toyo Ito’s 2006 Meiso no Mori Funeral Hall in Gifu, Japan, shelters mourners beneath an undulating thin-concrete canopy like a billowing shroud.
—Justin Davidson, Curbed, 14 Apr. 2026
In place of drums is a constant floor of undulating synth bass, which sometimes twists itself into the treble range but mostly functions as the x-axis to the percussion’s y in the vast lattice structure that supports this music.
—Daniel Bromfield, Pitchfork, 9 Apr. 2026
Recent Examples of Synonyms for undulating
Adjective
-
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
-
Automation fears shadow labor fight Supporters say rising vehicle costs, fluctuating pay and opaque app algorithms have fueled frustration among drivers who often work long hours while paying for gas, insurance, maintenance and vehicle wear-and-tear themselves.—
Leah Willingham,
Los Angeles Times,
26 May 2026
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Supporters say rising vehicle costs, fluctuating pay and opaque app algorithms have fueled frustration among drivers who often work long hours while paying for gas, insurance, maintenance and vehicle wear-and-tear themselves.—
Leah Willingham,
Fortune,
26 May 2026
Verb
-
The device is based on oscillating water column technology, which transforms wave motion into electricity by means of a turbine.—
Prabhat Ranjan Mishra,
Interesting Engineering,
16 May 2026
-
The sphere at the top of the node bobs in the water, with the attached tube oscillating water within it, spinning turbines inside the structure that generate electricity.—
Sasha Rogelberg,
Fortune,
14 May 2026
Adjective
-
The Nike Air Max 95 Paisley sees its signature wavy stripes get a bandana print through laser-etching.—
Ian Servantes,
Footwear News,
22 May 2026
-
The braids are small with wavy, loose pieces.—
Kara Jillian Brown,
InStyle,
22 May 2026
Verb
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Moreover, many insects have been observed fluttering around ultraviolet lamps and other light sources that emit low quantities of heat, as well as seeking out light sources when the ambient temperature is high, contradicting the premise of the thermal radiation theory.—
Britannica Editors,
Encyclopedia Britannica,
22 May 2026
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As of Wednesday, the flags of the 48 nations competing in the World Cup began fluttering, crisscrossed above the plaza at Crown Center.—
Eric Adler,
Kansas City Star,
20 May 2026
Adjective
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Production designer Christopher Glass matches that vibrancy with such fantastical details as a rolling ball of stressors, bills, and eviction notices that only Velvet Gang leader Corvette (Keke Palmer) sees.—
Angelica Jade Bastién,
Vulture,
23 May 2026
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The rolling landscape, nestled between a nature preserve and a cattle ranch, had silvery groves of ancient olive trees, a meandering creek, and a network of antique aqueducts snaking through the fields.—
Ingrid Abramovitch,
Architectural Digest,
22 May 2026
Verb
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This year, soca star Voice — who had Carnival crowds jumping and waving throughout the 2026 circuit — will make his festival debut.—
Jacqueline Charles,
Miami Herald,
22 May 2026
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In an interview with the Observer, Page acknowledged that the department’s initial claim that Manigault came into the store waving a gun was not correct.—
Charlotte Observer,
Charlotte Observer,
20 May 2026
Adjective
-
Drafty rooms, open windows, ceiling fans, and uneven surfaces can disrupt the flame, causing uneven melting, excessive soot, or wax that burns faster on one side than the other.—
Alexandra Emanuelli,
Southern Living,
28 May 2026
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This noncomodegenic and fragrance-free serum foundation helps smooth redness and uneven skin texture.—
Alanna Martine Kilkeary,
Glamour,
28 May 2026
Cite this Entry
“Undulating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undulating. Accessed 29 May. 2026.
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