English Reference

Word

dime

US/ˈdaɪm/

UK/dˈaɪm/

Definitions

01ten-cent coin

B1 · Intermediate Countable noun American English

n. a small silver-coloured coin used in the US and Canada, worth ten cents.

n. a physical coin or denomination worth one-tenth of a United States or Canadian dollar.

“I found a dime and two nickels at the bottom of my bag.”

“The vending machine was old and only accepted specific denominations, rejecting my dime several times before finally processing the transaction.”

Synonyms

ten cents

02a perfect person

C1 · Advanced Countable noun Slang · Informal · American English

n. a very attractive person, often described as a '10' on a scale of one to ten.

n. a slang term for an exceptionally attractive individual, derived from the numerical value of ten.

“He thinks his new girlfriend is a total dime.”

“The lyrics frequently use the term 'dime' to objectify women based on a superficial ten-point rating scale.”

Synonyms

03an assist

C1 · Advanced Countable noun Sports Informal · American English

n. a great pass in basketball that helps a teammate score a basket.

n. a term used in basketball to describe a successful assist.

“The point guard dropped a beautiful dime to the center for an easy dunk.”

“He finished the game with twelve points and six dimes, proving his value as a playmaker rather than just a scorer.”

Synonyms

04to inform on someone

C2 · Proficiency Slang · American English

v. to tell the police or an authority figure about someone's secret or crime.

v. to inform on or betray an associate to the authorities, often used in the phrase 'dime out'.

“He was afraid his partner would dime him out to the cops to get a lighter sentence.”

“The informant was hesitant to dime out his associates, fearing the inevitable retaliation from the street gang.”

Usage

Often used as the phrasal verb 'dime out'.

Synonyms

Antonyms

Real-World Examples

“Custer’s posthumous reputation would rise and fall over the decades, especially as historians replaced dime novel hacks in telling his story.”
Smithsonian Magazine 24 Jun 2026
“The fossil he found is “the size of a dime,” he recalls.”
Smithsonian Magazine 18 Jun 2026

Etymology

From Middle English dime, from Anglo-Norman disme (“one tenth, tithe”) (modern French dîme), from Medieval Latin decima, from Latin decima (pars) (“tenth (part)”). Doublet of decim, decima, and decime.

From the use of the coin in a payphone to report a crime to the police. US payphones charged 10¢ in almost all jurisdictions until the late 1970s.

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

Related words

Idioms

Domain

Internet

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.C2 ProficiencyIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.8.5–9.0TOEFL 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: 6.0114–120
Frequency
Frequent
Level
C2 · Proficiency
Updated

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English Reference