surd

Definitions of surd
  1. noun
    a consonant produced without sound from the vocal cords
    synonyms: voiceless consonant
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    type of:
    consonant
    a speech sound that is not a vowel
  2. adjective
    produced without vibration of the vocal cords
    synonyms: hard, unvoiced, voiceless
    whispered
    spoken in soft hushed tones without vibrations of the vocal cords
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    Antonyms:
    soft, sonant, voiced
    produced with vibration of the vocal cords
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