#1 waver v. [hesitate, waffle] pause or hold back in uncertainty or unwillingness; "Authorities hesitate to quote exact figures". wn
#2 waver v. [falter] be unsure or weak; "Their enthusiasm is faltering". wn
#3 waver v. [falter] move hesitatingly, as if about to give way. wn
#4 waver v. [fluctuate, vacillate] move or sway in a rising and falling or wavelike pattern; "the line on the monitor vacillated". wn
#5 waver n. someone who communicates by waving. wn
vizzz