VOICELESS
aphonic, voiceless
(adjective) being without sound through injury or illness and thus incapable of all but whispered speech
breathed, voiceless
(adjective) uttered without voice; ācould hardly hear her breathed plea, āHelp meāā; āvoiceless whispersā
disenfranchised, disfranchised, voiceless, voteless
(adjective) deprived of the rights of citizenship especially the right to vote; ālabor was voicelessā; ādisenfrenchised masses took to the streetsā
unvoiced, voiceless, surd, hard
(adjective) produced without vibration of the vocal cords; āunvoiced consonants such as āpā and ākā and āsāā
Source: WordNet® 3.1
Etymology
Adjective
voiceless (not comparable)
Lacking a voice, without vocal sound.
(figurative) Without a vote; having no input into a decision.
(phonetics, of a consonant) Spoken without vibration of the vocal cords; unvoiced, surd. Examples: [t], [s], [f].
Synonyms
• inaudible
• silent
• unvoiced
Antonyms
• audible
• vocal
• voiced
Source: Wiktionary
Voice"less, a.
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.
2. (Phon.)
Definition: Not sounded with voice; as, a voiceless consonant; surd.
Voiceless stop (Phon.), a consonant made with no audible sound except
in the transition to or from another sound; a surd mute, as p, t, k.
– Voice"less*ly, adv.
– Voice"less*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition