Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of invalid is as below...

Invalid :: Invalid (v. t.) To make or render invalid or infirm.

Avoidable :: Avoidable (a.) Capable of being vacated; liable to be annulled or made invalid; voidable.

Voidable :: Voidable (a.) Capable of being avoided, or of being adjudged void, invalid, and of no force; capable of being either avoided or confirmed..

Null :: Null (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.

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

Invalidation :: Invalidation (n.) The act of inavlidating, or the state of being invalidated..

Sanatorium :: Sanatorium (n.) An establishment for the treatment of the sick; a resort for invalids. See Sanitarium.

Invalid :: Invalid (n.) Not well; feeble; infirm; sickly; as, he had an invalid daughter..

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..

Disanoint :: Disanoint (v. t.) To invalidate the consecration of; as, to disanoint a king..

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..

Crank :: Crank (n.) A sick person; an invalid.

Invalid :: Invalid (v. t.) To classify or enroll as an invalid.

Nullify :: Nullify (a.) To make void; to render invalid; to deprive of legal force or efficacy.

Inconsequent :: Inconsequent (a.) Not following from the premises; not regularly inferred; invalid; not characterized by logical method; illogical; arbitrary; inconsistent; of no consequence.

Annulment :: Annulment (n.) The act of annulling; abolition; invalidation.

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..

Voided :: Voided (a.) Annulled; invalidated.

Dismission :: Dismission (n.) Rejection; a setting aside as trivial, invalid, or unworthy of consideration..

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..

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