Words to describe someone’s voice :
adenoidal (adj) : some of the sound seems to come through their nose.
appealing (adj): voice shows that you want help, approval, or agreement.
breathy (adj): with loud breathing noises.
booming (adj): very loud and attention-getting.
brittle (adj): if you speak in a brittle voice, you sound as if you are about to cry.
croaky (adj): they speak in a low, rough voice that sounds as if they have a sore throat.
grating (adj): a grating voice, laugh, or sound is unpleasant and annoying.
gravelly (adj): a gravelly voice sounds low and rough.
high-pitched (adj): true to its name, a high-pitched voice or sound is very high.
honeyed (adj): honeyed words or a honeyed voice sound very nice, but you cannot trust the person who is speaking.
matter-of-fact (adj): usually used if the person speaking knows what they are talking about (or absolutely think they know what they are talking about).
penetrating (adj): a penetrating voice is so high or loud that it makes you slightly uncomfortable.
raucous (adj): a raucous voice or noise is loud and sounds rough.
rough (adj): a rough voice is not soft and is unpleasant to listen to.
shrill (adj): a shrill voice is very loud, high, and unpleasant.
silvery (adj): this voice is clear, light, and pleasant.
stentorian (adj): a stentorian voice sounds very loud and severe.
strangled (adj): a strangled sound is one that someone stops before they finish making it.
strident (adj): this voice is loud and unpleasant.
thick (adj): if your voice is thick with an emotion, it sounds less clear than usual because of the emotion.
tight (adj): shows that you are nervous or annoyed.
toneless (adj): does not express any emotion.
wheezy (adj): a wheezy noise sounds as if it is made by someone who has difficulty breathing.