Meaning of invalid
Pronunciation: (in'vu-lidBrit.in'vu-lēd&sec), [key]
- 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.
- 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.
- (of things) in poor or weakened condition: the invalid state of his rocking chair.
- to affect with disease; make an invalid: He was invalided for life.
- to remove from or classify as not able to perform active service, as an invalid.
- to remove or evacuate (military personnel) from an active theater of operations because of injury or illness.
Pronunciation: (in-val'id), [key]
- not valid; without force or foundation; indefensible.
- deficient in substance or cogency; weak.
- void or without legal force, as a contract.
- invalid (Thesaurus)