Definition of voiceless in English:

voiceless

adjective

  • 1Not able to speak or express opinions:

    ‘millions of Americans feel voiceless and powerless to bring positive change to the political system’
    • ‘Hardly any other Arab or Muslim characters appear, with the exception of extras playing voiceless villagers or servants.’
    • ‘An operation for goitre has left her voiceless.’
    • ‘He was born disabled and voiceless with a gaze permanently haunted by a look of terror.’
    1. 1.1 Not expressed:
      ‘the air was charged with voiceless currents of thought’
      • ‘Without asking, I understood the call she meant, the voiceless pull that kept drawing me to the water unafraid despite my father's fears.’
      unstated, unexpressed, unuttered, unsaid, unmentioned, unvoiced, unarticulated, undeclared, unavowed, not spelt out, mute, silent, wordless, voiceless
      View synonyms
  • 2Phonetics
    (of a speech sound) uttered without resonance of the vocal cords (e.g. f, k, p, s, t).

    • ‘Neither Mandarin Chinese nor Tibetan distinguishes phonologically between voiced and voiceless obstruent initials, unlike Dzongkha and, for example, English.’
    • ‘More generally, voiceless obstruents are more frequent in onset position than voiced obstruents.’
    • ‘Several other sounds originate in the back of the throat, often as a voiceless click rather than a voiced fricative.’
    • ‘Voiced sounds such as vowels and certain consonants such as b, d, and g require vibration of the vocal folds, while voiceless sounds such as the consonants p, t, and k require the vocal folds to be wide apart.’
    • ‘In English, /h/ is like a voiceless vowel in that there is no fricative-like narrowing in the mouth, so that the greatest point of narrowing is in the glottis.’

Pronunciation:

voiceless

/ˈvɔɪsləs/