Sign or Symptom
aphonia Audio
a·pho·ni·a [ ey-foh-nee-uh ]
Subclass of:
Voice Disorders
Etymology:
Greek a = not or without + phone = sound of the voice
Definitions related to aphonia:
  • A term referring to the inability to speak. It may result from injuries to the vocal cords or may be functional (psychogenic).
    NCI
    U.S. National Cancer Institute, 2021
  • Complete loss of phonation due to organic disease of the larynx or to nonorganic (i.e., psychogenic) causes.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Loss of voice. Seen in conversion disorder.
    Sadock's Comprehensive Glossary of Psychiatry and Psychology
    BJ Sadock Titles Press, 2012
  • The inability to produce speech sounds.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • A disorder characterized by the inability to speak. It may result from injuries to the vocal cords or may be functional (psychogenic).
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.