A few words to describe Voices
Angelic (Light, soft, calm and considered very beautiful.)
Breathy (Speaking with a lot of audible breathing.)
Croaky (Sounds as if the one speaking has a sore throat.)
Dead (Showing absolutely no emotions.)
Flat (No tone, or in other words, not going up and down.)
Grating (Laughing, but in an annoying/unpleasant way.)
Honeyed (Nice sounding, but untrustworthy.)
Husky (Deep and hoarse in a positive sense.)
Low (Either used to describe quiet or deep voice.)
Monotonous (Boring and unpleasant voice. Changes neither tone, volume nor speed.)
Nasal (Speaking “through the nose”.)
Orotund (Loud and clear.)
Ringing (The same as orotund, loud and clear.)
Rough (Not soft, rasp/hoarse but usually in an unpleasant way compared to husky.)
Shrill (Very high, loud and unpleasant.)
Singsong (Rhythmic, melodic.)
Smoky (Rasp, usually used for a sexy and mysterious sounding voice.)
Thin (Very high, to an uncomfortable degree.)
Throaty (Deep voice and speaking “from the back of your throat” as the word says.)
Wheezy (Speaking while having trouble to breath.)
Wobbly (Nervous, frightened, not confident or about to cry.)