[ uhp-er-keys ]
/ ˈʌp ərˈkeɪs /


(of an alphabetical character) capital.
Printing. pertaining to or belonging in the upper case.

verb (used with object), up·per·cased, up·per·cas·ing.

to print or write with an uppercase letter.


a capital letter.
Compare lowercase.

Origin of uppercase

First recorded in 1730–40; upper1 + case2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for uppercase