the sounds that are made when people speak or sing:
has a loud/quiet/soft voice She has a loud/quiet/soft voice.
a low-pitched/high-pitched voice
a booming/breathy/clear/deep/fruity/gravelly/husky/squeaky voice
a baritone/soprano singing voice
You could tell from her voice that she wasn't pleased.
in a quavering voice "I don't know what you mean," said Fran in a quavering voice.
lower your voice She lowered her voice to a whisper.
raise your voice You'll have to raise your voice (= speak louder) if you want to be heard in here.
lose your voice I have a cold and I think I'm losing my voice (= becoming unable to speak).
voice is breaking He's at that age when his voice is breaking (= changing from a boy's to a man's).
voice-activated She's done a lot of work with voice-activated computers.