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Meaning of INVALID

Pronunciation:  [adj]in'valid, 'invulid

 
WordNet Dictionary
 
 Definition: 
  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 [adj]  no longer valid; "the license is invalid"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
 
 Definition: 
  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
    daughter.
    
    
  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.
                                                   --Carlyle.
    
    
 
Thesaurus Terms
 
 Related Terms: absonant, afflict, ailing, anchoress, anchorite, annulled, apoplectic, arthritic, ascetic, bad, barren, bedridden invalid, black, blank cartridge, bootless, cachectic, case, castrato, cloistered monk, closet cynic, consumptive, contradictory, contrary to reason, counterproductive, criminal, cripple, debilitate, debilitated, derange, desert fathers, desert saints, devitalize, Diogenes, disable, disabled, disorder, drained, dud, dyspeptic, effete, empty, enervate, enervated, enfeeble, epileptic, eremite, erroneous, etiolated, eunuch, evil, exhausted, failing, fallacious, false, fatuitous, fatuous, faulty, feckless, feeble, flawed, frail, fruitless, futile, gelding, healthless, hermit, hermitess, Hieronymian, Hieronymite, homebody, hospitalize, ill, illogical, impaired, imperfect, impotent, improper, in poor health, inaccurate, inadequate, inane, inauspicious, inauthentic, incapacitate, incompetent, inconclusive, incongruous, inconsequent, inconsequential, inconsistent, incorrect, incurable, indispose, ineffective, ineffectual, inefficacious, inexpedient, inferior, infirm, inoperative, inpatient, irrational, isolationist, languishing, lay up, loner, loose, mad, malevolent, marabout, moribund, nonrational, nonscientific, not following, nugacious, nugatory, null and void, of no force, outcast, outpatient, pale, paralogical, pariah, patient, peaked, peaky, peccant, pillar saint, pillarist, reasonless, recluse, reduce, reduced, reduced in health, repealed, repudiated, revoked, rheumatic, run-down, seclusionist, self-annulling, self-contradictory, self-refuting, senseless, shut-in, sick, sick person, sicken, sickly, sinful, sinister, solitaire, solitary, solitudinarian, sophistic, spastic, spurious, stay-at-home, sterile, stylite, sufferer, terminal case, the sick, Timon of Athens, unauthentic, unavailing, unconnected, unfavorable, unhealthy, unkind, unphilosophical, unpleasant, unreasonable, unscientific, unskillful, unsound, untenable, untoward, untrue, useless, vain, valetudinarian, valetudinary, vicious, victim, void, weaken, weakened, weakling, weakly, wicked, with low resistance, without reason, wrong
 

 

 

 

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