Meaning of “star” in the English Dictionary

"star" in British English

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starnoun

uk /stɑːr/ us /stɑːr/

star noun (OBJECT IN SPACE)

A2 [ C ] a very large ball of burning gas in space that is usually seen from the earth as a point of light in the sky at night:

Stars twinkled above them as they lay on the hill.

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star noun (PERFORMER)

A2 [ C ] a very famous, successful, and important person, especially a performer such as a musician, actor, or sports player:

Kids wanting to be stars come to Hollywood from all over America.

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star noun (SYMBOL)

A2 [ C ] a symbol with four or more points:

star-shaped
How many stars (= symbols showing quality) does this restaurant have?
The teacher gave Tom a gold star (= a paper symbol rewarding good work) for his drawing.
two-star, three-star, etc.

C1 used to show how good a restaurant, hotel, etc. is:

The cheaper two-star hotels are also within the range of the budget traveller.

a symbol made of metal or cloth worn by particular officials to show their rank:

a sheriff's star

[ C ] an asterisk (= a symbol *)

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star noun (LUCK)

[ C ] informal any planet or other object in the sky thought of in astrology as influencing a person's luck:

She was born under a lucky/an unlucky star.
See also
stars [ plural ] informal

→  horoscope :

I always like to see what the stars say in the newspaper.

Idiom(s)

starverb [ I + prep, T ]

uk /stɑːr/ us /stɑːr/ -rr-

B1 If a film, play, etc. stars someone, or if someone stars in a film, play, etc., they are the main actor in it:

David Oyelowo starred in the movie "Selma".
Zusak's novel "The Book Thief" was turned into a movie starring Geoffrey Rush.

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staradjective [ before noun ]

uk /stɑːr/ us /stɑːr/ informal

-starsuffix

uk / -stɑːr/ us / -stɑːr/

(Definition of “star” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"star" in American English

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starnoun [ C ]

us /stɑr/

star noun [ C ] (OBJECT IN SPACE)

a large ball of burning gas in space that is usually seen from earth as a point of light in the sky at night:

Stars twinkled in the night sky.

star noun [ C ] (SHAPE)

a shape having four or more pointed parts coming out from a center at equal distances:

The children were cutting stars out of paper to make decorations.

A star is sometimes used as a symbol of quality:

The Times gave this restaurant three stars.

A star is also used as a symbol of rank or position:

a four-star general

A star is also an asterisk (= the symbol *).

star noun [ C ] (PERFORMER)

a famous and successful person, esp. a performer such as a musician, actor, or sports player:

A star is also someone who is especially good at something:

Janet is our star math student.

starverb [ I/T ]

us /stɑr/ -rr-

star verb [ I/T ] (PERFORM)

to be one of the most important performers in a show:

[ I ] He has starred in several recent movies.
[ T ] The school play stars children in the seventh and eighth grades.

(Definition of “star” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"star" in Business English

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starnoun [ C ]

uk /stɑːr/ us

a symbol with four or more points. A system of stars is used to show someone's official opinion of the quality of a product or place:

Vehicles with one star are four times more likely to roll over in a crash than vehicles with five stars.
Organizations are awarded star ratings to indicate the effectiveness of their safety programmes.

someone or something that is the best in a group, an organization, etc.:

Business stars were joined by scores of private investors, who snapped up shares in quoted operators.
He's now one of the rising stars of the company.

MARKETING in the Boston Matrix, a product or company with a large share in a market that is growing very fast:

If a star can maintain its large market share, it will become a cash cow when the market growth rate declines.
See also
-star

used to show someone's official opinion of the quality of a place, especially a hotel or restaurant. One-star is the lowest and five-star is the highest:

five-star accommodation
a four-star hotel
star dot star

IT the set of symbols (*.*) that matches all DOS and Windows file names. The first star means "all files", and the second star means "all extensions".

staradjective [ before noun ]

uk /stɑːr/ us informal

better or more important than others:

star banker/manager/performer The consumer sector stands out as a star performer in the country's economy.

(Definition of “star” from the Cambridge Business English Dictionary © Cambridge University Press)