voiceless

• POS: Adjective
• HYPHEN: voice=less

CIDE DICTIONARY

voiceless, a. 

•  Having no voice, utterance, or vote; silent; mute; dumb.  [1913 Webster]

  "I live and die unheard,
  With a most voiceless thought, sheathing it as a sword."  [1913 Webster]
•  Not sounded with voice; as, a voiceless consonant; surd.  [1913 Webster]

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.

OXFORD DICTIONARY

voiceless, adj.
1 dumb, mute, speechless.
2 Phonet. uttered without vibration of the vocal cords (e.g. f, k, p, s, t).

Derivative

voicelessly adv. voicelessness n.

THESAURUS

voiceless

accented, alveolar, anaudic, aphasic, aphonic, apical, apico-alveolar, apico-dental, articulated, assimilated, back, bad, bare, barytone, bereft, bilabial, breathless, broad, cacuminal, central, cerebral, checked, close, consonant, consonantal, continuant, dental, denuded, deprived, destitute, dissimilated, dorsal, dumb, dumbfounded, dumbstricken, dumbstruck, empty, flat, front, glide, glossal, glottal, guttural, hard, heavy, high, inarticulate, innocent, intonated, invalid, labial, labiodental, labiovelar, lateral, lax, light, lingual, liquid, low, mid, monophthongal, mum, mute, muted, narrow, nasal, nasalized, null and void, occlusive, open, oxytone, palatal, palatalized, pharyngeal, pharyngealized, phonemic, phonetic, phonic, pitch, pitched, posttonic, retroflex, rounded, scant, semivowel, short, shy, soft, sonant, speechless, stopped, stressed, stricken dumb, strong, surd, syllabic, tense, thick, throaty, tonal, tongue-tied, tongueless, tonic, twangy, unaccented, unrounded, unstressed, velar, vocalic, vocoid, voiced, vowel, vowellike, weak, wide, wordless

ROGET THESAURUS

voiceless

Aphony

N aphony, aphonia, dumbness, obmutescence, absence of voice, want of voice, dysphony, cacoepy, silence, raucity, harsh voice &c, unmusical voice, falsetto, childish treble mute, dummy, aphonous, dumb, mute, deafmute, deaf and dumb, mum, tongue-tied, breathless, tongueless, voiceless, speechless, wordless, mute as a fish, mute as a stockfish, mute as a mackerel, silent, muzzled, inarticulate, inaudible, croaking, raucous, hoarse, husky, dry, hollow, sepulchral, hoarse as a raven, rough, with bated breath, with the finger on the lips, sotto voce, in a low tone, in a cracked voice, in a broken voice, vox faucibus haesit.