flutter

nouns

the act of moving back and forth
flicker, flutter, waver
abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
flutter
is a type of (narrower)
an abnormal rate of muscle contractions in the heart
arrhythmia, cardiac arrhythmia
a disorderly outburst or tumult
"they were amazed by the furious disturbance they had caused"
commotion, disruption, disturbance, flutter, hoo-ha, hoo-hah, hurly burly, kerfuffle, to-do
the motion made by flapping up and down
flap, flapping, flutter, fluttering

verbs

move along rapidly and lightly; skim or dart
"The hummingbird flitted among the branches"
dart, fleet, flit, flutter
move back and forth very rapidly
"the candle flickered"
flicker, flitter, flutter, quiver, waver
is derived from
fluttering
flap the wings rapidly or fly with flapping movements
"The seagulls fluttered overhead"
flutter
is a type of (narrower)
move with a thrashing motion
"The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
beat, flap
beat rapidly
"His heart palpitated"
flutter, palpitate
wink briefly
"bat one's eyelids"
bat, flutter