Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

upper case

noun [U]
 
 
specialized

Definition

If letters are in upper case, they are written as capitals. → Compare lower casePunctuation upper-case
 
adjective
upper-case lettersLettering and alphabetsLetters of alphabets
(Definition of upper case noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“upper case” in other dictionaries

Word of the Day

a cloud on the horizon

something which threatens to cause problems or unhappiness in the future

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More