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
R. Daniel Foster,
Forbes.com,
30 June 2026
Replacing the dots used on previous colorways, undulating lines run run 360 degrees across the sneaker in silver above a black mesh base, and the motif repeats again on the tongue.
—
Ian Servantes,
Footwear News,
25 June 2026
The twisting blacktop was built for travelers seeking Appalachian overlooks and a panoramic drive for all seasons, with undulating slopes of color in the fall and a bounty of forest canopy in summer.
—
Sarah Rose,
Travel + Leisure,
25 June 2026
In its place, the landscape turns to gently undulating hills spangled with cows or draped with vineyards.
—
Alissa Greenberg,
Mercury News,
15 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 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
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
Verb
Joe Kramm | Courtesy of Francis Interiors The gold background is a spread of bold graphic lines, undulating shapes and coiling circular motifs, referencing the work of French artist, sculptor and designer Jean Dunand (1877–1942).
—
R. Daniel Foster,
Forbes.com,
30 June 2026
Replacing the dots used on previous colorways, undulating lines run run 360 degrees across the sneaker in silver above a black mesh base, and the motif repeats again on the tongue.
—
Ian Servantes,
Footwear News,
25 June 2026
The twisting blacktop was built for travelers seeking Appalachian overlooks and a panoramic drive for all seasons, with undulating slopes of color in the fall and a bounty of forest canopy in summer.
—
Sarah Rose,
Travel + Leisure,
25 June 2026
In its place, the landscape turns to gently undulating hills spangled with cows or draped with vineyards.
—
Alissa Greenberg,
Mercury News,
15 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 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
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
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.
-
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.
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.
-
Google fell less than 1% Tuesday, while SpaceX gained about 1% after fluctuating in volatile trading.
Adjective
-
In a house where trim is stripped away, like 1022 Via Treviso, there’s nowhere to hide a wavy wall or a slightly off corner.
-
Take a note from Selena and add contrast with a wavy ponytail.
Verb
-
Included in the savings are a heat-busting oscillating tower fan from Dreo for those sticky summer days, a portable electric blender from NutriBullet for smoothies on the go, and cooling pillows from Casper designed for hot sleepers.
-
This wet-dry vacuum hosts up to 60 minutes of run time, including a hard-floor brush and a carpet brush for oscillating between surfaces, and a self-cleaning brush roll.
Adjective
-
The National Interagency Fire Center reported that nearly 3 million acres have burned across the country since the start of the year, faster than the rolling 10-year average.
-
Cars will quickly overheat, and power outages and rolling brownouts are possible.
Verb
-
But Curls Ultra aren’t solely interested in resurrecting the mysticism of the past or indulging in the parties of the present, the occasional fluttering flute solo or boisterous sax line notwithstanding.
-
Red, black and gold flags are flying from car bonnets and fluttering on balconies, especially on matchdays.
Adjective
-
If visible pores or uneven texture is a concern for you at all, this primer is the ultimate solution.
-
As with that earlier boom-and-bust cycle, the AI landscape is likely to yield uneven outcomes, according to Qian Wang, global head of capital market research at Vanguard, and senior global economist Kevin Khang.
Verb
-
Anthony Vega, 50, stood outside the stadium more than three hours before kickoff, waving a large rainbow flag.
-
The cohort of mostly 70-something players in the dugout rejoiced, waving their caps and hollering.
Cite this Entry
“Undulating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undulating. Accessed 2 Jul. 2026.
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