invalid

(redirected from invalidate)
Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

in·va·lid

(in'vă-lid),
1. Weak; sick.
2. A person partially or completely disabled.
[L. in- neg. + validus, strong]

invalid

(ĭn′və-lĭd)
n.
One who is incapacitated by a chronic illness or disability.
adj.
1. Incapacitated by illness or injury.
2. Of, relating to, or intended for invalids.
tr.v. inva·lided, inva·liding, inva·lids
1. To incapacitate physically.
2. Chiefly British To release or exempt from duty because of ill health: "I was not quite sick enough to be invalided out, even though I was of no more use" (Mary Lee Settle).

in·va·lid

(in'vă-lid)
1. Weak; sick.
2. A person partially or completely disabled.
[L. in- neg. + validus, strong]

invalid

(ĭn′vă-lĭd) [L. in-, not, + validus, strong]
1. A former term for a person who is not well; weak. Use of the term is archaic.
2. Based on false premises, reasonings, or justifications.
References in periodicals archive ?
"At a minimum," Gants added, "a claim of fraud sufficient to invalidate an appraisal must allege a misrepresentation."
'Householders should be aware that leaving a home unlocked when it is unoccupied could invalidate a home insurance policy - leaving the homeowner to pick up the pieces alone.'
During the past three decades, this Court has invoked the Commerce Clause to invalidate a number of state taxing schemes that unreasonably burdened interstate commerce by discriminating against out-of-state taxpayers.
A voluntary offer to donate $8 million, which was made by a utility that sought rezoning of a parcel to industrial use, did not invalidate the rezoning sought by the utility according to the Supreme Judicial Court of Massachusetts.
1998, seeking to invalidate patents issued to the late Jerome Lemelson that purported to cover machine vision.
Therefore, slippage or breakage at the grips are said to frequently invalidate tests.
If, for example, the Court were to uphold affirmative action in general, but find Michigan's plan to be insufficiently narrowly tailored, the practical effect would be to invalidate admissions systems at many institutions.
David Snyder, assistant general counsel of the American Insurance Association, cited a high-profile series of cases in Ohio in which plaintiffs asked a court to invalidate rates for uninsured/underinsured motorist coverage that had been approved by the insurance department, even though rate approval is under the jurisdiction of the commissioner.
Fraud on the Copyright Office can invalidate a copyright registration.
Changes have been made to the physical assessment tests since 1998, which would invalidate me.
On the legislative front, lawmakers may attempt in the 1071h Congress to invalidate the ergonomics rule under a never before used law known as the Congressional Review Act.
Three justices (the plurality) premised their decision to invalidate the ordinance on the notion that "liberty," protected by the Due Process Clause of the Fourteenth Amendment, affords citizens a right to engage in loitering that is entirely harmless in both purpose and effect.(13) They also concluded that the ordinance failed to meet the requirements of the Due Process Clause because "it is so vague and standardless that it leaves the public uncertain as to the conduct it prohibits."(14)