Meaning of invalid

Definitions of invalid

1. [adj] - having no cogency or legal force

2. [adj] - no longer valid

3. [n] - someone who is incapacitated by a chronic illness or injury

4. [v] - force to retire, remove from active duty, as of firemen

1. the license is invalid

2. invalid reasoning

3. an invalid driver's license

invalid Synonyms

shut-in

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