Definition of case–sensitive
: 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
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of case–sensitive
Seen and Heard
What made you want to look up case–sensitive? Please tell us where you read or heard it (including the quote, if possible).