invalid

1. (satellite adjective) no longer valid; "the license is invalid"

2. (verb) force to retire, remove from active duty, as of firemen
Related Words: remove

3. (adjective) having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
Antonyms: valid

4. (noun) someone who is incapacitated by a chronic illness or injury
Synonyms: shut-in
Related Words: diseased person, sick person, sufferer

5. (verb) injure permanently
Synonyms: disable, handicap, incapacitate
Related Words: injure, wound



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