Definition of invalid

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Invalid (a.) A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health..

Lern More About Invalid

Null :: Null (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
Annulment :: Annulment (n.) The act of annulling; abolition; invalidation.
Irritancy :: Irritancy (n.) The state or quality of being null and void; invalidity; forfeiture.
Invalid :: Invalid (a.) Of no force, weight, or cogency; not valid; weak..
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..
Vitiation :: Vitiation (n.) The act of vitiating, or the state of being vitiated; depravation; corruption; invalidation; as, the vitiation of the blood; the vitiation of a contract..
Nullify :: Nullify (a.) To make void; to render invalid; to deprive of legal force or efficacy.
Dismission :: Dismission (n.) Rejection; a setting aside as trivial, invalid, or unworthy of consideration..
Invalid :: Invalid (n.) Not well; feeble; infirm; sickly; as, he had an invalid daughter..
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..
Invalidating :: Invalidating (p. pr. & vb. n.) of Invalidat.
Invalid :: Invalid (a.) Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement..
Racahout :: Racahout (n.) A preparation from acorns used by the Arabs as a substitute for chocolate, and also as a beverage for invalids..
Frustrate :: Frustrate (v. t.) To make null; to nullifly; to render invalid or of no effect; as, to frustrate a conveyance or deed..
Invalide :: Invalide (n.) See Invalid, n..
Inconsequent :: Inconsequent (a.) Not following from the premises; not regularly inferred; invalid; not characterized by logical method; illogical; arbitrary; inconsistent; of no consequence.
Invalid :: Invalid (v. t.) To classify or enroll as an invalid.
Voidable :: Voidable (a.) Capable of being avoided, or of being adjudged void, invalid, and of no force; capable of being either avoided or confirmed..
Sanatorium :: Sanatorium (n.) An establishment for the treatment of the sick; a resort for invalids. See Sanitarium.
Invalid :: Invalid (a.) A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health..
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