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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/case-sensitive. Accessed 4 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

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

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!