INVALID Definition & Meaning - Merriam-Webster
6 days ago · The meaning of INVALID is not valid. How to use invalid in a sentence.
INVALID Definition & Meaning | Dictionary.com
A person who is very sick or injured and needs frequent care is an invalid. Also, something no longer current or useful is invalid. The …
INVALID Synonyms: 266 Similar and Opposite Words - Merriam-Webster
6 days ago · Synonyms for INVALID: fragile, weak, weakly, sickly, dying, sick, frail, ailing; Antonyms of INVALID: well, healthy, …
INVALID | English meaning - Cambridge Dictionary
INVALID definition: 1. An invalid document, ticket, law, etc. is not legally or officially acceptable: 2. An invalid…. Learn more.
Invalid - definition of invalid by The Free Dictionary
Define invalid. invalid synonyms, invalid pronunciation, invalid translation, English dictionary definition of invalid. n. One who is …
invalid - Wiktionary, the free dictionary
Oct 1, 2026 · invalid (comparative more invalid, superlative most invalid) Not valid; not true, correct, acceptable, or appropriate. …
.invalid - Wikipedia
The name invalid is reserved by the Internet Engineering Task Force (IETF) as a domain name that may not be installed as a top …
Invalid - Etymology, Origin & Meaning - Etymonline
invalid (n.) "infirm or sickly person," 1709, originally of disabled military men, from invalid (adj.1). In Paris, Invalides is short for Hôtel …
Invalid - Wikipedia
This disambiguation page lists articles associated with the title Invalid. If an internal link incorrectly led you here, you may wish to …
INVALID | definition in the Cambridge English Dictionary
INVALID meaning: 1. An invalid document, ticket, law, etc. is not legally or officially acceptable: 2. An invalid…. Learn more.