· someone who communicates by waving

Hypernym(s): communicator

· the act of pausing uncertainly; "there was a hesitation in his speech"

Synonym(s): hesitation, falter, faltering

Hypernym(s): pause

· the act of moving back and forth

Synonym(s): flutter, flicker

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

· pause or hold back in uncertainty or unwillingness; "Authorities hesitate to quote exact figures"

Synonym(s): hesitate, waffle

· be unsure or weak; "Their enthusiasm is faltering"

Synonym(s): falter

Hypernym(s): hesitate, waver, waffle

· move hesitatingly, as if about to give way

Synonym(s): falter

Hypernym(s): move

· move or sway in a rising and falling or wavelike pattern; "the line on the monitor vacillated"

Synonym(s): fluctuate, vacillate

Hypernym(s): swing

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

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

Hypernym(s): move_back_and_forth

· sway from side to side

Synonym(s): weave

Hypernym(s): swing, sway

· give off unsteady sounds, alternating in amplitude or frequency

Synonym(s): quaver

Hypernym(s): voice, sound, vocalize, vocalise