English Reference

Word

star

US/ˈstɑɹ/

UK/stˈɑː/

Definitions

01celestial body

A1 · Beginner Countable noun Science

n. a bright point of light in the night sky.

n. a celestial body that appears as a luminous point in the night sky, specifically a massive ball of plasma undergoing nuclear fusion.

“We sat on the grass and looked at the stars in the clear night sky.”

“The astronomer explained that many of the stars visible to the naked eye are actually much larger and brighter than our own sun.”

Synonyms

sunluminary

02famous person

A2 · Elementary Countable noun

n. a very famous and successful person, especially in films, music, or sports.

n. a highly prominent or brilliant person in a specific field, typically within the entertainment or sports industries.

“She became a movie star after her first film was a huge success.”

“The young athlete was hailed as a rising star by scouts after his record-breaking performance in the national championships.”

Antonyms

03the shape

A2 · Elementary Countable noun

n. a shape with five or more points coming out from the center.

n. a conventionalised geometric figure with five or more radiating points.

“The teacher put a gold star on his homework because he did a great job.”

“The national flag features a single white star centered on a blue background, symbolising unity and independence.”

Synonyms

asteriskpentagram

04informal friend

C1 · Advanced Countable noun Informal · Dialect · British English

n. a friendly way to talk to a mate or a pal.

n. a term of address for a friend or associate. Primarily used in specific urban dialects.

“Thanks for the help, star.”

“In certain London neighbourhoods, you might hear someone call out to a friend by saying, 'Alright, star?' as a casual greeting.”

Teaching tip

This usage is very regional and informal; learners should be aware of it but use 'mate' or 'friend' in most contexts.

Synonyms

05to be the main performer

B1 · Intermediate Theater

v. to be the main actor or performer in a movie or show.

v. to play the principal role in a theatrical production, film, or television programme.

“He is going to star in a new action movie next year.”

“The studio announced that a relatively unknown actor would star in the upcoming biopic, surprising many industry critics.”

Synonyms

06to mark with a symbol

B2 · Upper Intermediate

v. to mark something with a star symbol to show it is important.

v. to mark or annotate a piece of text or an item with an asterisk or star-shaped symbol for emphasis or reference.

“I starred the most important dates in my calendar so I wouldn't forget them.”

“Please star any sections of the contract that you find confusing so we can discuss them during our next meeting.”

Usage

Often used in the passive voice or as a past participle.

Collocations

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

01. star names 02. stars formed 03. star light 04. star of the show 05. stars form 06. stars in our galaxy 07. stars surrounding

Real-World Examples

“For adaptive optics to work, though, astronomers need a star as a reference point – a fixed point in the sky.”
BBC 29 Sept 2026
“Astronomers claim to have discovered a new kind of cosmic object, a black hole “star”, which is the size of the entire solar system and glows with a brilliant red light.”
The Guardian 12 Aug 2026
“Astronomers have discovered a “black hole star,” an extremely bright red spot in the early universe that appears to be a new type of astrophysical object.”
MIT Kavli Institute 12 Aug 2026

Etymology

* As a German and Jewish surname, from Star (“starling”). * Also as a German and Jewish surname, semantic loan from German Stern (“star”). * As a Dutch surname, from star (“stiff, rigid”). * As a Slovene surname, from star (“old”). * As an English given name, from star, sometimes originating as a nickname.

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

Word family

ADJECTIVE

Related words

Idioms

Domains

NauticalPrinting

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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