Invalid :: Invalid (a.) Of no force, weight, or cogency; not valid; weak..
Invalid :: Invalid (a.) Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement..
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 (n.) Not well; feeble; infirm; sickly; as, he had an invalid daughter..
Invalid :: Invalid (v. t.) To make or render invalid or infirm.
Invalid :: Invalid (v. t.) To classify or enroll as an invalid.
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..
Invalidism :: Invalidism (n.) The condition of an invalid; sickness; infirmity.
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..
Invalidity :: Invalidity (n.) Want of health; infirmity.
Invalidness :: Invalidness (n.) Invalidity; as, the invalidness of reasoning..
Valid :: Valid (a.) Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection..
Valid :: Valid (a.) Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage..
Validate :: Validate (v. t.) To confirm; to render valid; to give legal force to.
Validation :: Validation (n.) The act of giving validity.
Validity :: Validity (n.) The quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of an argument or proof; the validity of an objection..
Validity :: Validity (n.) Legal strength, force, or authority; that quality of a thing which renders it supportable in law, or equity; as, the validity of a will; the validity of a contract, claim, or title..