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Meaning of INVALID

Pronunciation:  [adj]in'valid, 'invulid

WordNet Dictionary
  1. [n]  someone who is incapacitated by a chronic illness or injury
  2. [adj]  no longer valid; "the license is invalid"
  3. [adj]  having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
  4. [v]  injure permanently; "He was disabled in a car accident"
  5. [v]  force to retire, remove from active duty, as of firemen

INVALID is a 7 letter word that starts with I.


 Synonyms: bad, disable, expired, fallacious, false, handicap, incapacitate, invalidated, null, nullified, shut-in, sophistic, sophistical, specious, spurious, uncollectible, unsound, void
 Antonyms: valid
 See Also: diseased person, homebound, illegitimate, injure, remove, sick person, sufferer, wound



Webster's 1913 Dictionary
  1. \In*val"id\, a. [Pref. in- not + valid: cf. F. invalide,
    L. invalidus infirm, weak. Cf. {Invalid} infirm.]
    1. Of no force, weight, or cogency; not valid; weak.
    2. (Law) Having no force, effect, or efficacy; void; null;
       as, an invalid contract or agreement.
  2. \In"va*lid\ (?; 277), n. [F. invalide, n. & a., L.
    invalidus, a. See {Invalid} null.]
    A person who is weak and infirm; one who is disabled for
    active service; especially, one in chronic ill health.
  3. \In"va*lid\, a. [See {Invalid}, n.]
    Not well; feeble; infirm; sickly; as, he had an invalid
  4. \In"va*lid\, v. t.
    1. To make or render invalid or infirm. ``Invalided, bent,
       and almost blind.'' --Dickens.
    2. To classify or enroll as an invalid.
             Peace coming, he was invalided on half pay.
Thesaurus Terms
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