Definition

1. Noun:
   • A large form of a letter of the alphabet, used as the initial letter of a proper name, at the beginning of a sentence, or for emphasis. This style of letter is also called a "capital letter" or "majuscule."

Usage

• Upper-case letter is used to refer to the specific, larger form of a character (e.g., 'A', 'B', 'C') as opposed to its smaller form (e.g., 'a', 'b', 'c'), which is called a lower-case letter.
• It is often used in the context of writing rules, typography, and digital text formatting (e.g., "Please type your password using at least one upper-case letter.").

Examples

Advanced Usage

• "To upper-case" (verb, informal): To convert text to use capital letters.
  • He upper-cased the entire headline for emphasis.
• "All caps": A style where every letter in a word is an upper-case letter, often used for acronyms or to convey shouting in digital communication.
  • The sign was written in ALL CAPS.

Variants and Related Words

• Capital letter: A direct synonym for "upper-case letter."
• Majuscule: A technical term, primarily used in palaeography and typography, for an upper-case letter.
• Lower-case letter: The smaller form of a letter (e.g., a, b, c).
• Minuscule: The technical term for a lower-case letter.

Synonyms

• Capital letter
• Capital
• Majuscule (formal/technical)
• Big letter (informal)

Antonyms

• Lower-case letter
• Small letter
• Minuscule (formal/technical)

Related Phrases

• Upper case (noun): The set or style of upper-case letters.
  • The title was set in upper case.
• Case-sensitive: Describing a system where upper-case and lower-case letters are treated as distinct (e.g., 'Password' is different from 'password').
  • The login is case-sensitive, so remember your upper-case letters.

Noun

1. one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis; capitals were kept in the upper half of the type case and so became known as upper-case letters"
   • printers once kept the type for capitals and for small letters in separate cases