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BNC: 37025 COCA: 25684

undulate

1 ENTRIES FOUND:
undulate /ˈʌnʤəˌleɪt/ Brit /ˈʌndjəˌleɪt/ verb
undulates; undulated; undulating
undulate
/ˈʌnʤəˌleɪt/ Brit /ˈʌndjəˌleɪt/
verb
undulates; undulated; undulating
Learner's definition of UNDULATE
[no object] formal
: to move or be shaped like waves起伏;波动;荡漾

— undulation

/ˌʌnʤəˈleɪʃən/ Brit /ˌʌndjəˈleɪʃən/ noun, plural undulations [count]
BNC: 37025 COCA: 25684

undulate

1 of 2

adjective

un·​du·​late ˈən-jə-lət How to pronounce undulate (audio) ˈən-dyə- How to pronounce undulate (audio)
ˈən-də-,
-ˌlāt How to pronounce undulate (audio)
variants or undulated
ˈən-jə-ˌlā-təd How to pronounce undulate (audio)
ˈən-dyə-,
ˈən-də-
: having a wavy surface, edge, or markings
the undulate margin of a leaf

undulate

2 of 2

verb

un·​du·​late ˈən-jə-ˌlāt How to pronounce undulate (audio)
ˈən-dyə-,
ˈən-də-
undulated; undulating

intransitive verb

1
: to form or move in waves : fluctuate
2
: to rise and fall in volume, pitch, or cadence
3
: to present a wavy appearance

transitive verb

: to cause to move in a wavy, sinuous, or flowing manner

Did you know?

Make Waves With the History of Undulate

Undulate and inundate are word cousins that branch from unda, the Latin word for "wave." No surprise there. But would you have guessed that abound, surround, and redound are also unda offspring? The connection between unda and these words is easier to see when you learn that at some point in their early histories each of them essentially had the meaning of "to overflow"—a meaning that inundate still carries, along with its "overwhelm" sense.

Choose the Right Synonym for undulate

swing, sway, oscillate, vibrate, fluctuate, waver, undulate mean to move from one direction to its opposite.

swing implies a movement of something attached at one end or one side.

the door suddenly swung open

sway implies a slow swinging or teetering movement.

trees swaying in the breeze

oscillate stresses a usually regular alternation of direction.

an oscillating fan

vibrate suggests the rapid oscillation of an elastic body under stress or impact.

the vibrating strings of a piano

fluctuate suggests constant irregular changes of level, intensity, or value.

fluctuating interest rates

waver stresses irregular motion suggestive of reeling or tottering.

the exhausted runner wavered before collapsing

undulate suggests a gentle wavelike motion.

an undulating sea of grass

Example Sentences

Recent Examples on the Web
Verb
These fluffy boa-type feathers undulate beautifully in the water and make your fly look alive. Aleta Burchyski, Outside Online, 20 May 2020 Dots undulate, bubble up, then dissolve into the depths below my cellphone screen. New York Times, 29 Mar. 2022 For miles, the soft green slopes of the Blue Ridge Mountains undulate, fading into a honeyed patchwork of farmland and forest that kiss the horizon. Washington Post, 26 Feb. 2022 Thousands of variously sized glass marbles, arranged on a dark, round mat, seem to undulate like boiling water, or maybe spacetime in a black hole. Laura Hudson, Wired, 16 Nov. 2021 Two weeks ago, as the landslide hit unprecedented speed, causing the ground around it to undulate with each passing truck, the team conceded defeat and closed the back half of the park weeks earlier than anticipated. Time, 7 Sep. 2021 Visitors tour through a history of the 19th-century painter's famously dramatic life and are surrounded by more then 300 of his paintings and sketches, which animate and undulate and drift around on all sides. Duante Beddingfield, Detroit Free Press, 27 July 2021 Their five-centimeter-thick quadruped was able to crawl and undulate its way through a space just two centimeters high. Larry Greenemeier, Scientific American, 30 Nov. 2011 Blades of strikingly green grass undulate in the currents. Shane Gross; Text By Katherine Harmon Courage, Smithsonian Magazine, 18 Nov. 2020 See More

Word History

Etymology

Adjective

Latin undulatus, from *undula, diminutive of unda wave — more at water

Verb

Late Latin undula small wave, from Latin *undula

First Known Use

Adjective

1658, in the meaning defined above

Verb

1664, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of undulate was in 1658
BNC: 37025 COCA: 25684

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