2. To classify or enroll as an invalid. Peace coming, he was invalided on half pay. Carlyle.

INVALIDATE
In*val"i*date, v. t. [imp. & p. p. Invalidated; p. pr. & vb. n.
Invalidating.] Etym: [From Invalid null.]

Defn: 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.

INVALIDATION
In*val`i*da"tion, n.

Defn: The act of inavlidating, or the state of being invalidated.
So many invalidations of their right. Burke.

INVALIDE
In`va*lide", n. Etym: [F.]

Defn: See Invalid, n.

INVALIDISM
In"va*lid*ism, n.

Defn: The condition of an invalid; sickness; infirmity.

INVALIDITY In`va*lid"i*ty, n. Etym: [Cf. F. invalidité, LL. invaliditas want of health.]