1. unpleasantly loud and harsh

Similar word(s): cacophonic, cacophonous, strident

2. disturbing the public peace; loud and rough

- a raucous party

Similar word(s): disorderly, rowdy

Sentences with raucous as an adjective:

- At night, raucous sounds come from the swamp.

- Acts of vandalism were committed by a raucous gang of drunkards.

- the new neighbors had a raucous party.