Ways to describe a voice

Hoarse
Gravelly, gruff
Husky
Smoky
Throaty
Rough
Grating
Dark

Croaky
Adenoidal, nasal
Breathy
Wobby
Wheezy
Thick
Tight
Strangled
Taut
Strident
Quivering
Tremulous
Brittle

Raucous
Booming
Ringing
Crisp
Shrill
Orotound
Appealing
Modulated
Penetrating
Fruity
High-pitched
Silvery
Angelic
Warm

Low
Thin
Dead
Flat
Monotonous
Small
Quiet
Soft-spoken
Toneless