case-sensitive

adjective
case-sen·​si·​tive | \ ˈkās-ˈsen(t)-sə-tiv How to pronounce case-sensitive (audio) , -ˈsen(t)s-təv \

Definition of case-sensitive

: requiring correct input of uppercase and lowercase letters 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

First Known Use of case-sensitive

1981, in the meaning defined above

Keep scrolling for more

Learn More about case-sensitive

Time Traveler for case-sensitive

Time Traveler

The first known use of case-sensitive was in 1981

See more words from the same year

Statistics for case-sensitive

Cite this Entry

“Case-sensitive.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/case-sensitive. Accessed 21 January 2020.

Comments on case-sensitive

What made you want to look up case-sensitive? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

good-natured easy friendliness

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!