DictionaryAI

letter

LET-ur/ˈlɛtɚ/LET-uh/ˈlɛtə/

Pluralletters

Verbletters, lettering, lettered

12 meanings of letter

Practice

  1. 1
    written messagenouncountable
    A written message you send to someone, usually longer and more formal than a note.

    Like a text message, but on paper and sent in the mail.

    She wrote a long letter to her grandmother.

    The letter arrived three weeks after he mailed it.

    UsageWrite a letter to someone. A letter of thanks says thank you.

    Similarmessage, note, missive, epistle

    Note
  2. 2
    alphabet signnouncountable
    A single sign in an alphabet, like A, B, or C.

    Like a single brick that joins with others to build a word.

    The letter B comes right after A.

    My little brother can already write every letter of his name.

    UsageSay in capital letters or in big letters.

    Similarcharacter, symbol

    Note
  3. 3
    exact wordingnoun
    The exact words of something, not the deeper meaning behind them.

    Like following a recipe word for word, even when it stops making sense.

    They followed the letter of the rule but ignored its purpose.

    He stuck to the letter of the agreement, not its intent.

    UsageWe often say someone followed the letter, not the spirit, of a rule, as a criticism.

    Similarwording

    Oppositespirit

    Note
  4. 4
    verbtransitive
    To write, paint, or print letters onto a surface.

    Like painting words on a sign so everyone can read them.

    Workers letter the store windows with bright paint.

    She lettered the poster in big bold capitals.

    Similarinscribe, paint, print, label

Practice

Can you tell the meanings of letter apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.

Origins

Meanings 1–9

It came through Old French from the Latin word 'littera', which meant a letter of the alphabet (and in plural, a written message).

Checked 1 Nov 2026 · 3 facts

Meaning 10

It comes from Middle English and is made from the verb 'let' plus the ending '-er', meaning one who lets.

Checked 1 Nov 2026 · 3 facts