(a.) Harsh; rough; boisterous; disorderly; as, a raucous crowd\.

absonant atonal boisterous brassy brazen brusque cacophonous choked coarse cracked croaking croaky diaphonic disconsonant discordant disharmonic disharmonious disorderly dissonant dry ear-splitting flat grating gruff guttural harsh harsh-sounding hoarse husky immelodious inharmonic inharmonious jarring loud metallic musicless noisy nonmelodious off off-key off-tone out of pitch out of tone out of tune piercing ragged rasping raucid rough roupy rowdy rowdyish rude rumbustious scratching scratchy sharp shrill sour squawking squawky stertorous strangled strident stridulous termagant thick throaty tinny tumultuous tuneless unharmonious unmelodious unmusical unruly untunable untuned untuneful