1. Move or sway in a rising and falling or wavelike pattern
   "the line on the monitor wavered";
   - fluctuate, vacillate
    
2. Sway from side to side
   "The drunk man wavered as he walked";
   - weave
    
3. Pause or hold back in uncertainty or unwillingness
   "He wavered between two job offers";
   - hesitate, waffle [N. Amer, informal], balk, baulk [Brit]
    
4. Be unsure or weak
   "His resolve wavered when faced with the difficult choice";
   - falter
    
5. Move hesitatingly, as if about to give way
   "Her confidence wavered before the important presentation";
   - falter
    
6. Move back and forth very rapidly
   "the candle wavered";
   - flicker, flitter, flutter, quiver
    
7. Give off unsteady sounds, alternating in amplitude or frequency
   "The old radio's signal wavered in and out";
   - quaver

1. The act of moving back and forth
   "The waver in his voice betrayed his nervousness";
   - flutter, flicker
    
2. The act of pausing uncertainly
   "His waver before answering revealed his doubt";
   - hesitation, falter, faltering
    
3. Someone who communicates by waving
   "The waver on the dock bid farewell to the departing ship"

Sounds like:

Derived forms: wavers, wavered, wavering

Type of: communicator, hesitate, motility, motion, move, move back and forth, movement, pause, sound, sway, swing, vocalise [Brit], vocalize, voice

Encyclopedia: Waver, Netherlands