| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | inaudible |
| Synonyms: | aphonic, dumb, inarticulate, mum, mute, silent, speechless, surd |
| Main Entry: | dumb |
| Part of Speech: | adjective |
| Definition: | unable to speak |
| Synonyms: | at a loss for words, inarticulate, incoherent, mousy, mum, mute, quiet, silent, soundless, speechless, tongue-tied, uncommunicative, voiceless, wordless |
| Antonyms: | speaking |
| Main Entry: | inarticulate |
| Part of Speech: | adjective |
| Definition: | unable to speak well |
| Synonyms: | blurred, dumb, faltering, halting, hesitant, hesitating, inaudible, incoherent, incomprehensible, indistinct, maundering, muffled, mumbled, mumbling, mute, obscure, reticent, silent, speechless, stammering, tongue-tied, unclear, unintelligible, unspoken, unuttered, unvocal, unvoiced, vague, voiceless, wordless |
| Antonyms: | articulate, communicative |
| Main Entry: | inaudible |
| Part of Speech: | adjective |
| Definition: | silent |
| Synonyms: | closemouthed, faint, hushed, imperceptible, low, muffled, mum, mumbled, mute, muted, noiseless, nonvocal, not talkative, quiet, soundless, still, unclear, uncommunicative, unhearable, voiceless, wordless |
| Main Entry: | mum |
| Part of Speech: | adjective |
| Definition: | silent |
| Synonyms: | bashful, buttoned up, clammed up, closemouthed, hushed, mute, muted, nonvocal, not forthcoming, not talkative, quiet, reserved, secretive, shy, soundless, speechless, still, tight-lipped, tongue-tied, uncommunicative, unsociable, unspeaking, voiceless, wordless, zipped |
| Main Entry: | mute |
| Part of Speech: | adjective |
| Definition: | unable to speak |
| Synonyms: | aphasiac, aphasic, aphonic, muffled, mum, quiet, silenced, silent, speechless, tongue-tied, tongueless, unexpressed, unpronounced, unsounded, unspeaking, unspoken, voiceless, wordless |
| Antonyms: | articulate, speaking, vocal |
| Main Entry: | noiseless |
| Part of Speech: | adjective |
| Definition: | quiet |
| Synonyms: | hushed, hushful, inaudible, mute, muted, silent, soundless, speechless, still, voiceless, wordless |
| Antonyms: | clamorous, noisy |
| Main Entry: | silent |
| Part of Speech: | adjective |
| Definition: | quiet; speechless |
| Synonyms: | bashful, buttoned up, checked, clammed up, close, closed up, closemouthed, curbed, dumb, dummied up, faint, hush, hushed, iced, inarticulate, incoherent, inconversable, indistinct, inhibited, laconic, mousy, mum, mute, muted, noiseless, nonvocal, not talkative, reserved, restrained, reticent, shy, silentious, soundless, still, struck dumb, taciturn, tongue-tied, unclear, uncommunicative, unheard, unsociable, unspeaking, voiceless, wordless, zipped |
| Antonyms: | clamorous, communicative, noisy, talkative |
| Main Entry: | speechless |
| Part of Speech: | adjective |
| Definition: | without ability to talk |
| Synonyms: | aghast, amazed, aphonic, astounded, buttoned up, clammed up, close-mouthed, cool as cucumber, cool*, dazed, dumb, dumbfounded, dumbstruck, inarticulate, mum, mute, not saying boo, reserved, shocked, silent, taciturn, thunderstruck, tight-lipped, tongue-tied, uncommunicative, unflappable, voiceless, wordless |
| Antonyms: | articulate, communicative, responsive |