sonorous

1 marked by a high volume of sound a sonorous waterfall that can be heard from a considerable distance Synonyms blaring, blasting, booming, clamorous, clangorous, deafening, earsplitting, piercing, plangent, resounding, ringing, roaring, slam-bang, loud, stentorian, thundering, thunderousRelated Words brazen, dinning, discordant, noisy, obstreperous, raucous, rip-roaring, vociferous; grating, harsh, overloud, sharp, shrill, squealing, stridentNear Antonyms dead, quiet, silent, still, stilly, ultraquiet; calm, dreamy, peaceful, restful, serene, soothing, tranquil; hushed, muffled, muted, softened, toned (down)Antonyms gentle, low, soft

2 marked by conspicuously full and rich sounds or tones a baritone with a particularly sonorous voice Synonyms golden, orotund, plangent, resounding, reverberant, reverberating, reverberative, ringing, rotund, round, resonant, vibrantRelated Words deep, full, mellifluent, mellifluous, mellow, plummy, rich; loud, powerful, stentorian, thundering, thunderousNear Antonyms cavernous, hollow; faint, low, murmurous, muted, smothered, soft, weak; thin, tinny