adj. 25B6; adjective
loud music : NOISY, blaring, booming, deafening, roaring, thunderous, thundering, ear-splitting, ear-piercing, piercing; carrying, clearly audible; lusty, powerful, forceful, stentorian; Music forte, fortissimo.
loud complaints : VOCIFEROUS, clamorous, insistent, vehement, emphatic, urgent.
a loud T-shirt : GARISH, gaudy, flamboyant, lurid, glaring, showy, ostentatious; vulgar, tasteless; informal flash, flashy, naff, kitsch, tacky.
quiet, soft, gentle, sober, tasteful.