1qua·ver 
/ˈkweɪvɚ/ verb
qua·vers; qua·vered; qua·ver·ing /ˈkweɪvɚ/ verb [no obj] of your voice : to produce sound in an unsteady way especially because you are afraid or nervous : tremble
▪ Her voice quavered during the speech. ▪ He spoke in quavering tones.
▪ Her voice quavered during the speech. ▪ He spoke in quavering tones.
— qua·very /ˈkweɪvəri/ adjective
▪ a quavery voice
/ˈkweɪvəri/ adjective ▪ a quavery voice
