Invalid

Pronunciation

• enPR: Ä­n-vă'lÄ­d, IPA: /ɪnˈvæ.lɪd/

- + valid

Full definition of invalid

Adjective

1. Not valid; not true, correct, acceptable or appropriate.Your argument is invalid because it uses circular reasoning.This invalid contract cannot be legally enforced.

Synonyms

• nonvalid

Antonyms

• valid

Pronunciation

• enPR: Ä­n'vÉ™-lÄ­d, IPA: /ˈɪn.vÉ™.lɪd/

From Middle French invalide, from Latin invalidus ("infirm, weak"), from in- ("not") + validus ("strong")

Noun

1. One who is confined to home or bed because of illness, disability or injury
2. Any person with a disability.

Usage notes

The sense of a person confined to home or bed is considered insensitive, outmoded or politically incorrect by some.

Adjective

1. Intended for use by an invalid.

Derived terms

• invalid carriage

Verb

1. (British) To exempt from duty because of injury or ill health.He was invalided home after the car crash.----