uppercase
up-per-case
noun
The set of capital letters in a typeface.
"Type the heading in uppercase."
adjective
Referring to capital letters, used for emphasis or proper nouns.
"Always start a sentence with an uppercase letter."
Thesaurus
Synonyms: majuscule, upper-case letter, capital letter, capital, great
Antonyms: lower-case letter, lowercase, minuscule, small letter