upper-case letters
nounUK /ˌʌpə keɪs ˈletəz/
US /ˌʌpər keɪs ˈletərz/
Upper-case letters are the big letters you use when you write, like A, B, and C.
Please write your name in upper-case letters so it is easy to read.
RELATED WORDS
OTHER MEANINGS
2. Letters that are larger and often used at the start of a sentence or name.
The sentence begins with an upper-case letter.
3. A style of typing where all letters are capitals.
The sign was printed in upper-case letters.
4. Letters used for titles or headings to make them stand out.
The title was written in upper-case letters.