Definition of Invalid

Invalid

Of no force, weight, or cogency; not valid; weak.

Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.

A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health.

Not well; feeble; infirm; sickly; as, he had an invalid daughter.

To make or render invalid or infirm.

To classify or enroll as an invalid.

Related Definitions:

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Invalid Quotations

It's valid that the Strokes and the Pleased have been influenced by some of the same bands. But it's invalid in the sense that we listen to the Strokes and try to sounds like them. I think that they are a good band.
Joanna Newsom

The establishment in Britain is certainly against the arts and against education. If something doesn't make a profit, it's invalid, and art doesn't make a profit in that sense.
Peter Maxwell Davies

The worst thing you can do to a kid is tell them that their dreams are invalid.
Juliette Lewis

In specific circumstances the period of aging decline can set in earlier in a particular organ than in the organism as a whole which, in a certain general or theoretical sense, is left a cripple or invalid.
Wilhelm Ostwald

Every invalid is a prisoner.
Marguerite Yourcenar

More Invalid Quotations

Invalid Translations

invalid in Italian is nullo
invalid in Latin is inritus irritus
invalid in Swedish is ogiltig

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