Definition of invalid

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

Lern More About Invalid

Invalid :: Invalid (a.) A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health..
Invalid :: Invalid (v. t.) To make or render invalid or infirm.
Invalidate :: Invalidate (v. t.) To render invalid; to weaken or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument..
Voided :: Voided (a.) Annulled; invalidated.
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..
Cullis :: Cullis (n.) A strong broth of meat, strained and made clear for invalids; also, a savory jelly..
Invalid :: Invalid (a.) Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement..
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..
Disanoint :: Disanoint (v. t.) To invalidate the consecration of; as, to disanoint a king..
Null :: Null (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.
Irritant :: Irritant (a.) Rendering null and void; conditionally invalidating.
Invalid :: Invalid (a.) Of no force, weight, or cogency; not valid; weak..
Nurse :: Nurse (v. t.) To take care of or tend, as a sick person or an invalid; to attend upon..
Invalid :: Invalid (v. t.) To classify or enroll as an invalid.
Sanatorium :: Sanatorium (n.) An establishment for the treatment of the sick; a resort for invalids. See Sanitarium.
Avoidable :: Avoidable (a.) Capable of being vacated; liable to be annulled or made invalid; voidable.
Invalidated :: Invalidated (imp. & p. p.) of Invalidat.
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..
Nullify :: Nullify (a.) To make void; to render invalid; to deprive of legal force or efficacy.
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..
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