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Definition invalid

Etymology 1

in- +‎ valid

Adjective

invalid (comparative more invalid, superlative most invalid)

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

Etymology 2

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

Noun

invalid (plural invalids)

1. (dated, sometimes offensive) Any person with a disability or illness.
2. (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.
3. (archaic) A disabled member of the armed forces; one unfit for active duty due to injury.

Adjective

invalid (not comparable)

1. Intended for use by an invalid.

Verb

invalid (third-person singular simple present invalids, present participle invaliding, simple past and past participle invalided)

1. (Britain, transitive) To exempt from duty because of injury or ill health.
2. (transitive) To make invalid or affect with disease.

Results 151 Words with the letters INVALID

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