GoodExample.is GoodExample

'invalid' in a sentence

Learn how to use 'invalid' with 5 example sentences.


invalid adjective

: no longer valid

: having no cogency or legal force

invalid noun

: someone who is incapacitated by a chronic illness or injury

invalid verb

: force to retire, remove from active duty, as of firemen

: injure permanently


  • Her father became an invalid as a result of a heart attack.
  • The password you have entered is invalid.
  • The contract, if you were forced to sign it, is invalid.
  • As of tomorrow, this e-mail address will be invalid.
  • Do I look like an invalid?
  • Words related to 'invalid'


    Words near 'invalid' in the dictionary