undulate

/'ʌndjuleit/
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Thân thiện
undulate

The green hills undulate gently toward the horizon.

Definition

  1. Verb (intransitive):

    • To move with a smooth, wavelike motion; to rise and fall or sway gently in a manner resembling waves.
    • To have a wavy form or appearance; to be shaped with gentle curves.

  2. Verb (transitive):

    • To cause to move in a wavy pattern; to give a wavy form or appearance to something.

  3. Adjective:

    • Having a wavy surface, edge, or appearance; marked by gentle, rolling curves.
Usage and Examples

  • Verb (intransitive):

    • The flag undulated gently in the breeze.
    • The wheat field undulated across the hillside.
    • Her voice undulated with emotion as she told the story.

  • Verb (transitive):

    • The wind undulated the surface of the lake.
    • The artist skillfully undulated the metal to create a flowing sculpture.

  • Adjective:

    • The plant has beautiful, undulate leaves.
    • They walked along the undulate path through the dunes.
Advanced Usage
  • Scientific/Technical Context: In biology and geology, 'undulate' describes specific wavy patterns, such as leaf margins or rock strata.
    • The fossil exhibited an undulate suture pattern.
  • Descriptive Writing: Used to create vivid imagery of movement or form in literature.
    • The snake's body undulated rhythmically as it moved across the sand.
Variants and Related Words
  • Undulation (noun): A wavelike motion or form; a gentle rise and fall.
    • The undulation of the terrain made cycling challenging.
  • Undulating (adjective or present participle): Moving in or having waves.
    • We drove through miles of undulating countryside.
  • Undulatory (adjective): Relating to or resembling undulation.
    • The theory describes light as an undulatory phenomenon.
Synonyms
  • Verb: ripple, wave, roll, swell, fluctuate, sway, billow.
  • Adjective: wavy, sinuous, rolling, rippled.
Antonyms
  • Verb: stagnate, remain still.
  • Adjective: flat, straight, even, level.
Related Phrases and Idioms
  • Undulate like a snake: To move with sinuous, winding motions.
    • The dancer's arms undulated like a snake.
  • (To move) in undulating waves: To progress in a series of smooth, wave-like motions.
    • The crowd moved in undulating waves across the plaza.
undulate

The green hills undulate gently toward the horizon.

Adjective
  1. having a wavy margin and rippled surface
Verb
  1. increase and decrease in volume or pitch, as if in waves
    • The singer's voice undulated
  2. move in a wavy pattern or with a rising and falling motion
    • The curtains undulated
    • the waves rolled towards the beach
  3. occur in soft rounded shapes
    • The hills rolled past
  4. stir up (water) so as to form ripples

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