adjective case–sen·si·tive
variants: or

case sensitive

Definition of case–sensitive

  1. :  distinguishing between uppercase and lowercase letters in input text Having the Caps Lock key on accidentally can also lead to a frustrating series of “wrong password” alerts when trying to use a case-sensitive password for your office network or Internet provider. — J. D. Biersdorfer, New York Times, 17 May 2001 Unix is case sensitive, and common sense dictates that you print a Unix command the way you'd type it. — Reva Basch, Computerlife, August 1996

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First Known Use of case–sensitive


Seen and Heard

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to criticize severely

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