INVALID Definition & Meaning - Merriam-Webster
from French invalide "suffering from a disease, sickly," from Latin invalidus "weak" The meaning of INVALID is not valid. How to use …
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 Also, something no longer current or useful is invalid.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 · (dated, sometimes offensive) A person who is confined to home or bed because of illness, disability or injury; one …
INVALID Synonyms: 266 Similar and Opposite Words | Merriam ...
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 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 vs invalid - GRAMMARIST
Invalid and invalid are spelled identically but are pronounced differently and have different meanings, which makes them …
invalid adjective - Definition, pictures, pronunciation and ...
Definition of invalid adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, …
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 Also, something no longer current or useful is invalid.