01 a. Having no voice, utterance, or vote; silent; mute; dumb.
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1.
Having no voice, utterance, or vote; silent; mute; dumb.“I live and die unheard, With a most voiceless thought, sheathing it as a sword.” — Byron.
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2.
Not sounded with voice; as, a voiceless consonant; surd.(Phon.)
Phrases & compounds
Voiceless stop —
a consonant made with no audible sound except in the transition to or from another sound; a surd mute, as p, t, k.