Synonyms to inaudible

faint, KO, abulic, achromatic, achromic, afraid, ailing, anemic, ashen, ashy, asthenic, bad, balmy, barely audible, below par, black out, blackout, bland, blear, bleared, bleary, bled white, bloodless, blow, blurred, blurry, break, break down, burn out, cadaverous, catalepsy, catatonia, catatony, cave in, chicken, chloranemic, collapse, colorless, coma, come apart, come unstuck, confused, conk out, cowardly, crack up, crap out, critically ill, crumble, dark, dead, deadly pale, deathly pale, debilitated, decline, decrescendo, dim, dimmed, dingy, discolored, disintegrate, distant, dizziness, dizzy, down, droop, drooping, droopy, drop, dull, dusty, effete, enervated, enfeebled, etiolated, exsanguinated, exsanguine, exsanguineous, fade, faded, fagged, fail, faint-voiced, fainthearted, fainting, faintish, fall senseless, fallow, faltering, fatigue, fatigued, feeble, feebleminded, feeling awful, feeling faint, feeling something terrible, filmy, fizzle out, flabby, flaccid, flag, flagging, flat, flickering, floppy, foggy, footsore, frail, frazzled, fuzzy, gasp, gentle, get tired, ghastly, giddy, give out, give way, go downhill, go