In*val"id (?), a. [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) Having no force, effect, or
efficacy; void; null; as, an invalid contract or
agreement.
In"va*lid (?; 277), n. [F.
invalide, n. & a., L. invalidus,
a. See Invalid null.] A person who is
weak and infirm; one who is disabled for active service; especially,
one in chronic ill health.
In"va*lid (?), a. [See Invalid,
n.] Not well; feeble; infirm; sickly; as, he
had an invalid daughter.
In"va*lid, v. t. 1.
To make or render invalid or infirm. "Invalided,
bent, and almost blind." Dickens.
2. To classify or enroll as an
invalid.
Peace coming, he was invalided on half
pay.
Carlyle.
