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.

UNDULATE definition: to move with a sinuous or wavelike motion; display a smooth rising-and-falling or side-to-side alternation of movement. See examples of undulate used in a sentence.

UNDULATE definition: 1. to have a continuous up and down shape or movement, like waves on the sea: 2. to have a…. Learn more.

Something that undulates has gentle curves or slopes, or moves gently and slowly up and down or from side to side in an attractive manner. As we travel south, the countryside begins to undulate as the …

Dec 11, 2025 · undulate (third-person singular simple present undulates, present participle undulating, simple past and past participle undulated) (transitive) To cause to move in a wavelike motion. …

Definition of undulate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

to have a wavy form or surface:[no object] The hills undulated in the distance. (of a sound) to rise and fall in pitch:[no object] A siren undulated. wavy. un•du•la•tion /ˌʌndʒəˈleɪʃən, -dyə-, -də-/ n. …

"Undulate" brings to mind waves, with its meaning rooted in movement that rises and falls smoothly, much like the ocean's gentle sway. This word is all about graceful motion and rhythm, capturing the …

1. To move in waves or with a smooth, wavelike motion: "gleaming seaweed that curls and undulates with the tide" (Willa Cather). 2. To have a wavelike appearance or form: dunes that undulate toward …

Undulate means to move in a wave-like pattern. If a sound increases and decreases in pitch or volume like waves, you can say the sound is undulating. When searching for the lost boy, the rescuers' cries …