Definition of invalid

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Invalid (a.) Of no force, weight, or cogency; not valid; weak..

Lern More About Invalid

Nullify :: Nullify (a.) To make void; to render invalid; to deprive of legal force or efficacy.
Invalidness :: Invalidness (n.) Invalidity; as, the invalidness of reasoning..
Avoid :: Avoid (a.) To defeat or evade; to invalidate. Thus, in a replication, the plaintiff may deny the defendant's plea, or confess it, and avoid it by stating new matter..
Impatience :: Impatience (n.) The quality of being impatient; want of endurance of pain, suffering, opposition, or delay; eagerness for change, or for something expected; restlessness; chafing of spirit; fretfulness; passion; as, the impatience of a child or an invalid..
Arrowroot :: Arrowroot (n.) A nutritive starch obtained from the rootstocks of Maranta arundinacea, and used as food, esp. for children an invalids; also, a similar starch obtained from other plants, as various species of Maranta and Curcuma..
Null :: Null (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
Invalidity :: Invalidity (n.) Want of validity or cogency; want of legal force or efficacy; invalidness; as, the invalidity of an agreement or of a will..
Inconsequent :: Inconsequent (a.) Not following from the premises; not regularly inferred; invalid; not characterized by logical method; illogical; arbitrary; inconsistent; of no consequence.
Crank :: Crank (n.) A sick person; an invalid.
Invalid :: Invalid (v. t.) To classify or enroll as an invalid.
Invalid :: Invalid (v. t.) To make or render invalid or infirm.
Irritant :: Irritant (a.) Rendering null and void; conditionally invalidating.
Nurse :: Nurse (v. t.) To bring up; to raise, by care, from a weak or invalid condition; to foster; to cherish; -- applied to plants, animals, and to any object that needs, or thrives by, attention..
Invalidism :: Invalidism (n.) The condition of an invalid; sickness; infirmity.
Invalid :: Invalid (n.) Not well; feeble; infirm; sickly; as, he had an invalid daughter..
Sanatorium :: Sanatorium (n.) An establishment for the treatment of the sick; a resort for invalids. See Sanitarium.
Nurse :: Nurse (v. t.) To take care of or tend, as a sick person or an invalid; to attend upon..
Irritancy :: Irritancy (n.) The state or quality of being null and void; invalidity; forfeiture.
Invalidated :: Invalidated (imp. & p. p.) of Invalidat.
Racahout :: Racahout (n.) A preparation from acorns used by the Arabs as a substitute for chocolate, and also as a beverage for invalids..
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