(of an alphabetical letter) of a particular form often different from and smaller than its corresponding capital letter, and occurring after the initial letter of a proper name, of the first word in a sentence, etc. Examples: a, b, q, r.
Printing. pertaining to or belonging in the lower case.Compare case2(def 8).

verb (used with object), low·er·cased, low·er·cas·ing.

to print or write with a lowercase letter or letters.


a lowercase letter.

Origin of lowercase

First recorded in 1675–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lowercase

Contemporary Examples of lowercase

Historical Examples of lowercase

Word Origin and History for lowercase

"to set (text) in lower-case type," 1911, from lower-case (adj.). Related: Lowercased; lowercasing.

Online Etymology Dictionary, © 2010 Douglas Harper