English Reference

Word

letter

Phoneticslet·ter, stress on the first syllable

US/ˈɫɛtɝ/

UK/lˈɛtɐ/

Definitions

01alphabet symbol

A1 · Beginner Countable noun

n. a sign or symbol used in writing that represents a sound.

n. a character or symbol representing one or more of the sounds used in speech; any of the symbols of an alphabet.

“The word 'apple' begins with the letter A.”

“The child carefully traced each letter of the alphabet, focusing on the distinction between uppercase and lowercase forms.”

Synonyms

02written message

A1 · Beginner Countable noun

n. a written or printed message that you send to someone in an envelope.

n. a written, typed, or printed communication, typically sent by post or messenger.

“I wrote a long letter to my grandmother to tell her about my new job.”

“She received a formal letter from the university confirming that her application had been successful and outlining the next steps for enrollment.”

03literal meaning

C1 · Advanced Uncountable noun Law Formal

n. the exact words of a law or rule, rather than the general idea.

n. the precise wording of a document or law, often contrasted with its 'spirit' or intended purpose.

“The judge followed the letter of the law even though it seemed unfair.”

“While the company technically followed the letter of the agreement, their aggressive tactics clearly violated the spirit of the partnership.”

Synonyms

literalnessexactness

Antonyms

04paper size

B2 · Upper Intermediate Uncountable noun American English

n. a standard size of paper used in North America.

n. a standard paper size measuring 8.5 by 11 inches, primarily used in the United States and Canada.

“Please print the report on letter size paper, not A4.”

“The document was formatted for letter size, causing the margins to appear distorted when printed on the standard European A4 sheets.”

05to add text

C1 · Advanced Technical

v. to draw or paint letters onto a surface.

v. to inscribe, engrave, or paint alphabetic characters onto a surface.

“The artist spent hours lettering the sign by hand.”

“The stonecutter was commissioned to letter the monument, requiring a steady hand and precise knowledge of classical typography.”

Synonyms

inscribelabel

Collocations

Common phrases and expressions where native English speakers use the word “letter” in context.

01. letter sent 02. letter signed 03. letter of support 04. letter states 05. include letter 06. initial letter 07. letter include

Real-World Examples

“The assertions were made on Tuesday in a 25-page open letter addressed to the American people, urging them to oppose US support for Israel and foreign wars and arguing that Iran and the US could coexist if US policy changed.”
Reuters 29 Sept 2026
“A letter written by a 10-year-old girl in the 1980s and hidden in the cavity of the stairs at her home has been found 44 years later.”
BBC 28 Sept 2026
“The letter, sent on behalf of the King, spelt out the non-working royal status of Prince Harry and Meghan, who moved back from California with children Archie and Lilibet last month.”
BBC 8 Sept 2026
“In a letter to European Commission President Ursula von der Leyen dated Aug. 29 and seen by Reuters and other media, Macron said it had become urgent to introduce a bloc-wide ban through new EU legislation after France's Constitutional Council struck down a national bill this summer before it was due to take effect in September.”
Reuters 8 Sept 2026

Etymology

From Middle English letter, lettre, from Old French letre, from Latin littera (“letter of the alphabet"; in plural, "epistle”). Displaced Old English bōcstæf (literally “book staff”) in sense 1 and ǣrendġewrit (literally “message writing”) in sense 2.

From Middle English letere, equivalent to let + -er.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

Related words

Idioms

Domains

LawPrinting

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Very common
Level
A1 · BeginnerOxford
Updated

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