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Undulate vs Flutter - What's the difference?

undulate | flutter |

As verbs the difference between undulate and flutter

is that undulate is to cause to move in a wavelike motion while flutter is (lb) to flap or wave quickly but irregularly.

As an adjective undulate

is wavy in appearance or form.

As a noun flutter is

the act of fluttering; quick and irregular motion.

undulate

English

Verb

(undulat)
  • To cause to move in a wavelike motion.
  • * Holder
    • Breath vocalized, that is, vibrated and undulated .
  • To cause to resemble a wave
  • To move in wavelike motions.
  • To appear wavelike.

    • See also

    * oscillate

    Adjective

    (en adjective)
  • Wavy in appearance or form.
  • Changing the pitch and volume of one's voice.
  • (botany, of a margin) Winding up and down gradually relative to the blade.

    • flutter

    English

    Verb

    (en verb)
  • (lb) To flap or wave quickly but irregularly.
  • :
  • *
  • *:Long after his cigar burnt bitter, he sat with eyes fixed on the blaze. When the flames at last began to flicker and subside, his lids fluttered , then drooped?; but he had lost all reckoning of time when he opened them again to find Miss Erroll in furs and ball-gown kneeling on the hearth.
  • (lb) Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.
  • *1900 , , (The Wonderful Wizard of Oz)
  • *:Banks of gorgeous flowers were on every hand, and birds with rare and brilliant plumage sang and fluttered in the trees and bushes.
  • (lb) To cause something to flap.
  • :
  • (lb) To drive into disorder; to throw into confusion.
  • *(William Shakespeare) (c.1564–1616)
  • *:Like an eagle in a dovecote, I / Fluttered your Volscians in Corioli.

    • Noun

    (wikipedia flutter) (en noun)
  • The act of fluttering; quick and irregular motion.
    • the flutter of a fan
  • * Milnes
    • the chirp and flutter of some single bird
  • A state of agitation.
    • (Alexander Pope)
  • * (Henry James)
    • Their visitor was an issue - at least to the imagination, and they arrived finally, under provocation, at intensities of flutter in which they felt themselves so compromised by his hoverings that they could only consider with relief the fact of nobody's knowing.
  • An abnormal rapid pulsation of the heart.
  • (British) A small bet or risky investment.
  • * 1915 : , Ch. 93
    • "Oh, by the way, I heard of a rather good thing today, New Kleinfonteins; it's a gold mine in Rhodesia. If you'd like to have a flutter you might make a bit."
  • * So with his victory odds currently at 14/1 or 3/1 for the podium, he's still most certainly well worth a flutter ... - Gray Matter: How will Schu do?
  • The rapid variation of signal parameters, such as amplitude, phase, and frequency.

    • Derived terms

    * flutter in the dovecote * flutterby