Also found in: Thesaurus, Medical.
1. Rough-sounding and harsh: raucous laughter.
2. Boisterous and disorderly: "a drunken and raucous party for his bachelor friends" (Louis Auchincloss).
[From Latin raucus.]
rau′cous·ness, rau′ci·ty (rô′sĭ-tē) n.
the state or quality of sounding hoarse or harsh. — raucous, adj.See also: Sound