Dictionary definition · waver
noun
- someone who communicates by waving
- the act of pausing uncertainly"there was a hesitation in his speech"
- the act of moving back and forth
verb
- pause or hold back in uncertainty or unwillingness"Authorities hesitate to quote exact figures"
- be unsure or weak"Their enthusiasm is faltering"
- move hesitatingly, as if about to give way
- move or sway in a rising and falling or wavelike pattern"the line on the monitor vacillated"
- move back and forth very rapidly"the candle flickered"
- sway from side to side
- give off unsteady sounds, alternating in amplitude or frequency
Source: Open English WordNet (CC BY 4.0).