2 天之前 · The meaning of INVALID is not valid. How to use invalid in a sentence.

INVALID definition: an infirm or sickly person. See examples of invalid used in a sentence.

INVALID definition: 1. An invalid document, ticket, law, etc. is not legally or officially acceptable: 2. An invalid…. Learn more.

2026年5月3日 · invalid (third-person singular simple present invalids, present participle invaliding, simple past and past participle invalided) (British, transitive) To exempt from (often military) duty because of …

6 meanings: 1. a. a person with disablement or chronic ill health b. (as modifier) 2. incapacitated or disabled by injury,.... Click for more definitions.

Invalid definition: To incapacitate physically. Origin of Invalid Latin invalidus weak in- not in– 1 validus strong (from valēre to be strong wal- in Indo-European roots) From American Heritage Dictionary of …

Definition of invalid adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

adj. 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. v.t. to affect with …

Learn the definition of 'invalid'. Check out the pronunciation, synonyms and grammar. Browse the use examples 'invalid' in the great English corpus.

invalid definition: not legally or logically acceptable. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "treat like an invalid", "invalid …