AskDefine | Define flutter

Dictionary Definition



1 the act of moving back and forth [syn: waver, flicker]
2 abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
3 a disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused" [syn: disturbance, disruption, commotion, stir, hurly burly, to-do, hoo-ha, hoo-hah, kerfuffle]
4 the motion made by flapping up and down [syn: flap, flapping, fluttering]


1 move along rapidly and lightly; skim or dart [syn: flit, fleet, dart]
2 move back and forth very rapidly; "the candle flickered" [syn: flicker, waver, flitter, quiver]
3 beat rapidly; "His heart palpitated" [syn: palpitate]
4 wink briefly; "bat one's eyelids" [syn: bat]

User Contributed Dictionary






  1. To flap or wave quickly but irregularly; as, flags fluttering in the wind.
  2. Of a winged animal: to flap the wings without flying; to fly with a light flapping of the wings.
  3. To cause something to flutter.


to flap or wave quickly
to flap the wings without flying
to cause something to flutter


  1. the act of fluttering
  2. a state of agitation
  3. an abnormal rapid pulsation of the heart
  4. a small bet

Extensive Definition

Flutter can refer to:
  • Flutter (electronics and communication) is any rapid variation of signal parameters.
  • in aircraft structures, control surfaces and bridge engineering, aeroelastic flutter is a rapid self-excited motion, potentially destructive, usually present above some limiting aircraft speed.
  • In aeronautics is, in a few words, an unstability of the aircraft's structural vibration modes due to aerodynamic forces presents.
  • in suspended fabric such as flags or clothing, rapid motion due to wind.
  • flutter is also the qualitative perception that follows stimulating the skin with a point probe vibrating close to 40 Hz.

In medicine

The term "heart flutter" can mean a few things:

In music

flutter in Japanese: フラッター

Synonyms, Antonyms and Related Words

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