invalid

Plural: invalids

Noun

• someone who is incapacitated by a chronic illness or injury
• Any person with a disability or illness.
• 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.
• A disabled member of the armed forces; one unfit for active duty due to injury.

Verb

Verb Forms: invalided, invaliding, invalids

• To make someone weak or disabled; to disable.
• force to retire, remove from active duty, as of firemen
• injure permanently
• To exempt from (often military) duty because of injury or ill health.
• To make invalid or affect with disease.

Adjective

• having no cogency or legal force
  • "invalid reasoning"
  • "an invalid driver's license"

Adjective Satellite

• no longer valid
  • "the license is invalid"

Adj

• Not valid; not true, correct, acceptable or appropriate.
• Suffering from disability or illness.
• Intended for use by an invalid.

Examples

• He was invalided home after the car crash.
• His poor tile rack seemed to INVALID his ability to form any decent words.
• This invalid contract cannot be legally enforced.
• Your argument is invalid because it uses circular reasoning.

Synonyms

disable, handicap, incapacitate, shut-in, disallowed, nonvalid

Antonyms

valid

Anagrams of invalid