Adjective

(en adjective)

Harsh and rough-sounding.

At night, raucous sounds come from the swamp.

Disorderly and boisterous.

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

* {{quote-news, year=2014

, date=November 14 , author=Stephen Halliday , title=Scotland 1-0 Republic of Ireland: Maloney the hero , work=The Scotsman citation , page= , passage=In a raucous atmosphere, it was an unforgiving and physical contest from the start. Grant Hanley conceded the first free-kick within the opening 20 seconds, setting the tone for a busy and thankless evening for Serbian referee Milorad Mazic.}}

Loud and annoying.

the new neighbors had a raucous party.

Adjective

(en adjective)

Containing, consisting of, or producing harsh, unpleasant or discordant sounds.

* 2006 , Everett True, Nirvana: The Biography , Da Capo Press (2007), ISBN 9780306815546, page 58:

The first time I saw the NYC quartet [Sonic Youth] was in 1983 for their Confusion Is Sex album, when they filled The Venue in Victoria, London with a cacophonous maelstrom of mangled sounds that still reverberates, more than two decades on.

* 2011 , Fern Michaels, To Taste the Wine , Kensington Books (2011), ISBN 9780758242747, page 153:

and the cacophonous clatter of pots and pans accompanied the vociferous complaints of the ship's cook.

* 2012 , Michael D. Breed & Janice Moore, Animal Behavior , Academic Press (2012), ISBN 9780123725813, page 199 (image caption):

A colony of pelicans can be cacophonous .