invalid

/ɪnˈvæl.ɪd/

adjective

  1. 1

    Not valid; not true, correct, acceptable or appropriate.

    “This invalid contract cannot be legally enforced.”

Synonyms

Antonyms

noun

  1. 1

    (sometimes offensive) Any person with a disability or illness.

  2. 2

    (sometimes offensive) A person who is confined to home or bed because of illness, disability or injury; one who is too sick or weak to care for themselves.

  3. 3

    A disabled member of the armed forces; one unfit for active duty due to injury.

verb

  1. 1

    To exempt from duty because of injury or ill health.

    “He was invalided home after the car crash.”
  2. 2

    To make invalid or affect with disease.

adjective

  1. 1

    Intended for use by an invalid.

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