INVALID Definition & Meaning - Merriam-Webster
Aug 21, 2012 · The meaning of INVALID is not valid. How to use invalid in a sentence.
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 & 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 Also, something no longer current or useful is invalid.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 - Wiktionary, the free dictionary
May 17, 2026 · invalid (comparative more invalid, superlative most invalid) Not valid; not true, correct, acceptable, or appropriate. …
INVALID Synonyms: 266 Similar and Opposite Words - Merriam-Webster
3 days ago · Synonyms for INVALID: fragile, weak, weakly, sickly, dying, sick, frail, ailing; Antonyms of INVALID: well, healthy, …
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 | 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.
Invalid - Definition, Meaning & Synonyms | Vocabulary.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 Also, something no longer current or useful is invalid.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 definition and meaning | Collins English Dictionary
If an action, procedure, or document is invalid, it cannot be accepted, because it breaks the law or some official rule. The trial was …
INVALID Synonyms & Antonyms - 81 words | Thesaurus.com
Find 81 different ways to say INVALID, along with antonyms, related words, and example sentences at Thesaurus.com.