raucous (adj.)
- atonal
- boisterous
- brassy
- brazen
- brusque
- cacophonous
- choked
- coarse
- cracked
- croaky
- discordant
- disharmonious
- disorderly
- dissonant
- dry
- flat
- grating
- gruff
- guttural
- harsh
- hoarse
- husky
- inharmonic
- inharmonious
- jarring
- loud
- metallic
- noisy
- off
- off-key
- piercing
- ragged
- rasping
- rough
- roupy
- rowdy
- rude
- rumbustious
- scratchy
- sharp
- shrill
- sour
- squawky
- stertorous
- strangled
- strident
- thick
- throaty
- tinny
- tumultuous
- tuneless
- unharmonious
- unmelodious
- unmusical
- unruly
- untuneful