[in-vuh-lid; British in-vuh-leed]
an infirm or sickly person.
a person who is too sick or weak to care for himself or herself: My father was an invalid the last ten years of his life.
Archaic. a member of the armed forces disabled for active service.
unable to care for oneself due to infirmity or disability: his invalid sister.
of or for invalids: invalid diets.
invalid | Define invalid at Dictionary.com
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Invalid may refer to: Patient, a sick person; one who is confined to home or bed
because of illness, disability or injury.invalid, a top-level Internet domain not ...
Invalid definition, an infirm or sickly person. See more.
invalid definition, meaning, what is invalid: An invalid document, ticket, law, etc. is
not legally or officially acceptable: . Learn more.
The main uses of this word have to do with people and things that don't work very
well anymore. A driver's license that has expired is invalid — it needs to be ...
Definition of invalid. : not valid:a : being without foundation or force in fact, truth,
or law <an invalid assumption> <declared the will invalid>b : logically ...
Invalid is defined as not correct or provable or not legally recognized. An
example of invalid is a theory that has been proven wrong. An example of invalid
is a ...
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. in·va·lid·ed, ...
Invalid. Null; void; without force or effect; lacking in authority. For example, a will
that has not been properly witnessed is invalid and unenforceable.