inaudibly

loudly, inaudibly, visibly, hoarsely, unintelligibly, aurally, noisily, expressively, pleadingly, incoherently, inwardly, vocally, facial expression, softly, momentarily, aloud, thunderously, rhythmically, huskily, sotto voce, nonverbally, trembly, questioningly, shrilly, piteously, tunelessly, raptly, faintly, impatiently, agitatedly, melodiously, tunefully, vacantly, disbelievingly, basso profundo, sonorously, histrionically, ecstatically, absently, percussively, dispiritedly, peevishly, tiredly, kyrie eleison, lugubriously, conspiratorially, inscrutably, meditatively, nasally, drowsily, unbelievingly, soulfully, embarrassedly, visually, coherently, earshot, ungrammatically, intelligibly, appreciatively, fortissimo, irritably, melodramatically, nosily, plaintively, wordlessly, convulsively, ingratiatingly, growly, wetly, palpably, cor anglais, insistently, dolefully, piercingly, wonderingly, metrically, conversationally, incessantly, enrapt, lustily, jerkily, apologetically, commandingly, brokenly, repetitiously, silently, boomy, resonantly, mutely, delightedly, weightily, inquisitively, tinkly, disgustedly, metallically, hollowly, reproachfully, tipsily, fixedly, indistinctly, guiltily, accusingly

bombardier beetle, emit, fall, let loose, let out, shine, sigh, sniff, sniffle, sniffler, sniveler, snuff, strike, suspiration, tap dance, tap dancing, utter