ENGLISH DICTIONARY

Invalid

Definition, Meaning & Examples

Pronunciation /ɪnˈvæl.ɪd/ · Part of speech adjective

Quick meaning: Invalid is an adjective meaning Not valid; not true, correct, acceptable, or appropriate.

Meaning

Not valid; not true, correct, acceptable, or appropriate.

More Meanings

  1. Suffering from disability or illness.
  2. Intended for use by an invalid.
  3. (British, transitive) To exempt from (often military) duty because of injury or ill health.
  4. (transitive) To make invalid or affect with disease.
  5. (dated, sometimes offensive) Any person with a disability or illness.
  6. (archaic) A disabled member of the armed forces; one unfit for active duty due to injury.
  7. (dated, sometimes offensive) A person who is confined to home or bed because of illness, disability or injury; one who is too sick or weak to care for themselves.

Example Sentences

He was invalided home after the car crash.
This invalid contract cannot be legally enforced.
Your argument is invalid because it uses circular reasoning.
Invalidism therefore referred to a lack of power as well as a tendency toward illness. It is for this reason that I choose to discuss the invalid woman rather than just the ill one.

Word Forms

Synonyms for invalid

Depending on context, synonyms include void, fallacious, spurious, specious, bad, nugatory.

Antonyms for invalid

Common opposites include valid.

Related Words

Related dictionary entries include invalidated, unsound, false, void, bad, uncollectible.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.