· the act of moving back and forth

Synonym(s): waver, flicker

Hypernym(s): motion, movement, move, motility

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

Hypernym(s): cardiac_arrhythmia, arrhythmia

· a disorderly outburst or tumult; "they were amazed by the furious disturbance they had caused"

Synonym(s): disturbance, disruption, commotion, hurly_burly, to-do, hoo-ha, hoo-hah, kerfuffle

Hypernym(s): disorder

· the motion made by flapping up and down

Synonym(s): flap, flapping, fluttering

Hypernym(s): wave, undulation

· move along rapidly and lightly; skim or dart; "The hummingbird flitted among the branches"

Synonym(s): flit, fleet, dart

Hypernym(s): travel_rapidly, speed, hurry, zip

· move back and forth very rapidly; "the candle flickered"

Synonym(s): flicker, waver, flitter, quiver

Hypernym(s): move_back_and_forth

· flap the wings rapidly or fly with flapping movements; "The seagulls fluttered overhead"

Hypernym(s): beat, flap

· beat rapidly; "His heart palpitated"

Synonym(s): palpitate

Hypernym(s): beat, pound, thump

· wink briefly; "bat one's eyelids"

Synonym(s): bat

Hypernym(s): blink, wink, nictitate, nictate