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1. The act of moving back and forth
   - 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
   - disturbance, disruption, commotion, hurly burly, to-do [informal], hoo-ha [informal], hoo-hah [informal], kerfuffle [Brit, informal], carry-on [Brit, informal], song and dance [Brit, informal]
    
4. The motion made by flapping up and down
   - flap, flapping, fluttering
    
5. [Brit, informal] An act of gambling
   - bet, wager, punt [Brit, informal]

1. Move along rapidly and lightly; skim or dart
   "The hummingbird fluttered among the branches";
   - flit, fleet, dart
    
2. Move back and forth very rapidly
   "the candle fluttered";
   - flicker, waver, flitter, quiver
    
3. Flap the wings rapidly or fly with flapping movements
   "The seagulls fluttered overhead"
    
4. Beat rapidly
   "His heart fluttered";
   - palpitate
    
5. Wink briefly
   "flutter one's eyelids";
   - bat

Derived forms: fluttered, flutters, fluttering

See also: bother, fuss, hassle [informal], shindy [informal], stink [informal], trouble

Type of: arhythmia, arrhythmia, barrel [informal], beat, belt [informal], belt along [informal], blink, bucket [informal], bucket along [informal], cardiac arrhythmia, disorder, flap, gambling, gaming, hasten, hie [archaic], hotfoot, hurry, motility, motion, move, move back and forth, movement, nictate, nictitate, pelt [informal], pelt along [informal], play, pound, race, rocket [informal], rush, rush along, speed, step on it [informal], thump, travel rapidly, undulation, wave, whizz [informal], whizz along [informal], wing [informal], wink, zip [informal], zoom, zoom along

Encyclopedia: Flutter