invalid

1. a. Of no force, weight, or cogency; not valid; weak. Source: opted

2. a. Having no force, effect, or efficacy; void; null; as, an invalid contract or agreement. Source: opted

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

4. n. Not well; feeble; infirm; sickly; as, he had an invalid daughter. Source: opted

5. v. t. To make or render invalid or infirm. Source: opted

6. v. t. To classify or enroll as an invalid. Source: opted

7. adj. having no cogency or legal force Source: wordnet

8. adj. no longer valid Source: wordnet

9. n. someone who is incapacitated by a chronic illness or injury Source: wordnet

10. v. force to retire, remove from active duty, as of firemen Source: wordnet

11. v. injure permanently Source: wordnet

12. 1. Of no force, weight, or cogency; not valid; weak. 2. (Law) 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. 1. To make or render invalid or infirm. "Invalided, bent, and almost blind." Dickens. 2. To classify or enroll as an invalid. Peace coming, he was invalided on half pay. Carlyle. Source: webster

Thesaurus links

From the definitions

Explore more