Word Meaning

invalid definition and meaning

a. Of no force, weight, or cogency; not valid; weak.
a. Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement.
a. A person who is weak and infirm; one who is disabled for active service; especially, one in chronic ill health.
n. Not well; feeble; infirm; sickly; as, he had an invalid daughter.
v. t. To make or render invalid or infirm.
v. t. To classify or enroll as an invalid.

Crossword clues for invalid

- Patient but not binding
- Patient expired
- Void
- Without legal force