4 days ago · The meaning of INVALID is not valid. How to use invalid in a sentence.

The simple definition of INVALID is not valid: such as.

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 Also, something no longer current or useful is invalid.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 main uses of this word have to do with people and things that don't …

May 17, 2026 · Adjective invalid (comparative more invalid, superlative most invalid) Not valid; not true, correct, acceptable, or appropriate. Synonyms: disallowed, nonvalid Antonym: valid Your argument is …

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

Define invalid. invalid synonyms, invalid pronunciation, invalid translation, English dictionary definition of invalid. n. One who is incapacitated by a chronic illness or disability. adj. 1. Incapacitated by illness …

Find 81 different ways to say INVALID, along with antonyms, related words, and example sentences at Thesaurus.com.

If an action, procedure, or document is invalid, it cannot be accepted, because it breaks the law or some official rule. The trial was stopped and the results declared invalid. We cannot accept liability if you …

An invalid is someone who is very ill or disabled and needs to be cared for by someone else.

Invalid and invalid are spelled identically but are pronounced differently and have different meanings, which makes them heteronyms. We will examine the definitions of the words invalid and invalid, …