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INVALID

Definition:

[noun] someone who is incapacitated by a chronic illness or injury
Synonyms: shut-in
[verb] force to retire, remove from active duty, as of firemen
[verb] injure permanently; "He was disabled in a car accident"
Synonyms: disable, incapacitate, handicap
[adjective] having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
[adjective] no longer valid; "the license is invalid"