waver
n 1: someone who communicates by waving
2: the act of pausing uncertainly; "there was a hesitation in
his speech" [syn: {hesitation}, {falter}, {faltering}]
3: the act of moving back and forth [syn: {flutter}, {flicker}]
v 1: pause or hold back in uncertainty or unwillingness:
"Authorities hesitate to quote exact figures." [syn: {hesitate},
{swiver}]
2: be unsure or weak; "Their enthusiasm is faltering" [syn: {falter}]
3: move hesitatingly, as if about to give way [syn: {falter}]
4: move in an unstable manner [syn: {fluctuate}, {vacillate}]
5: move back and forth very rapidly, as of a candle [syn: {flicker},
{flitter}, {flutter}, {quiver}]
6: sway to and fro [syn: {weave}]
7: give off unsteady sounds, alternating in amplitude or
frequency [syn: {quaver}]