INVALID In*val"id, a. Etym: [Pref. in- not + valid: cf. F. invalide, L. invalidus infirm, weak. Cf. Invalid infirm.]
1. Of no force, weight, or cogency; not valid; weak.
2. (Law)
Defn: Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.
INVALID
In"va*lid, n. Etym: [F. invalide, n. & a., L. invalidus, a. See
Invalid null.]
Defn: A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health.
INVALID
In"va*lid, a. Etym: [See Invalid, n.]
Defn: Not well; feeble; infirm; sickly; as, he had an invalid daughter.
INVALID
In"va*lid, v. t.
1. To make or render invalid or infirm. "Invalided, bent, and almost blind." Dickens.