Synonyms for Raucous:

adj.

all (adjective)
strident.
conflicting (adjective)
differing, dissonant, colliding, contentious, disharmonious, cacophonous, feuding, conflicting, loath, clashing, rioting, antipathetic, tense, discordant, Squabbling, warring, rowing, antagonistic, dissident, harsh, hostile, dissenting, clamoring, brawling, bickering.
loud (adjective)
ear-piercing.
noisy, rough (adjective)
grating, ear-piercing, sharp, jarring, hoarse, cacophonous, dry, dissonant, acute, gruff, husky, rasping, piercing, unmusical, loud, harsh, unharmonious, blaring, grinding, strident, discordant.
rowdy (adjective)
boisterous, unruly, disorderly.
shrill (adjective)
strident, scratching, Caterwauling, rasping, cutting, jangling, piercing, reedy, treble, squeaky, creaky, high-pitched, penetrating, squealing, ear-piercing, whistling, scraping, harsh, grating, screaming, acute, hoarse, shrill, jarring, screeching, shrieking, whining.

n.

offensive, impertinent, impudent, abrasive, smart, discourteous, impolite, ill-mannered, insolent, rude. fruity, croaky, disembodied, adenoidal, breathy, appealing, dead, brittle, flat, loud. squawky, dry, sounds, scratchy, raspy, rough. disorderly (noun)
boisterous, unruly.
harsh (noun)
earsplitting, grinding, blaring, unharmonious, loud, husky, gruff, rough, unmusical, sharp, dry.
raucous (noun)
cacophonous, disorderly, strident, rowdy, cacophonic.

Other synonyms:

raspy, squawky, scratchy. loud. dry. rough. Other relevant words:
dry, earsplitting, raspy, husky, disorderly, grinding, offensive, flat, sharp, squawky, blaring, rude, loud, rough, rowdy, unruly, scratchy, unmusical, croaky, unharmonious, boisterous, cacophonic, gruff.

Usage examples for raucous

  1. Suddenly, there came to his ears the voices of women, mingled with Broom's suppressed but always raucous tones. – Jane Cable by George Barr McCutcheon
  2. However, he had not proceeded far when, the house having become very still, he was suddenly interrupted by a sharp hiss from the rear of the hall, and a raucous voice which shouted: Sit down, you! – Captivating Mary Carstairs by Henry Sydnor Harrison
  3. The little fat man began to play the long prelude to the couplet; the old woman clapped her hands and occasionally uttered a raucous cry. – The Land of The Blessed Virgin; Sketches and Impressions in Andalusia by William Somerset Maugham