(noun, verb)


1. the act of moving back and forth

Similar word(s): flicker, waver

Definition categories: act, motility, motion, move, movement

2. abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block

Definition categories: state, arrhythmia

3. a disorderly outburst or tumult

Similar word(s): commotion, disruption, disturbance, kerfuffle

Definition categories: state, disorder

4. the motion made by flapping up and down

Similar word(s): flap, flapping, fluttering

Definition categories: event, undulation, wave

Sentences with flutter as a noun:

- the flutter of a fan


1. move along rapidly and lightly; skim or dart

Similar word(s): dart, fleet, flit

Definition categories: motion, hurry, speed, zip

2. move back and forth very rapidly

Similar word(s): flicker, flitter, quiver, waver

Definition categories: motion

3. flap the wings rapidly or fly with flapping movements

- The seagulls fluttered overhead

Definition categories: motion, beat, flap

4. beat rapidly

Similar word(s): palpitate

Definition categories: motion, beat, pound, thump

5. wink briefly

Similar word(s): bat

Definition categories: body, blink, nictate, nictitate, wink

Sentences with flutter as a verb:

- flags fluttering in the wind

- A bird flutters its wings.