1 star /ˈstɑɚ/ noun
plural stars
1 star
plural stars
Learner's definition of STAR
: any one of the objects in space that are made of burning gas and that look like points of light in the night sky
see also evening star, morning star, north star, pole star, shooting star
: a star or planet especially in a certain position that is believed in astrology to influence people's lives usually plural
see also star-crossed
: something (such as a symbol or medal) with five or more points that represents or suggests a star
see also bronze star, silver star, stars and stripes
: a symbol that is shaped like a star and that is used as part of a rating system to show how good something is
see also five-star, four-star
: the most important and well-known performer in a movie, play, etc.
: an extremely famous and successful performer or athlete
often used before another noun
: a person who is very successful, important, etc.
often used before another noun
see also megastar, superstar
British, informal : someone who is good or helpful

(have) stars in your eyes

◊ If you have stars in your eyes you are very hopeful and excited about something and think that it will be much better or more enjoyable than it actually is.

promise (someone) the stars

see 2promise

reach for the stars

: to try to do something that is very difficult and impressive

see stars

: to see flashes of light usually because you have been hit on the head

— starless

/ˈstɑɚləs/ adjective

— starlike

/ˈstɑɚˌlaɪk/ adjective
2 star /ˈstɑɚ/ verb
stars; starred; starring
2 star
stars; starred; starring
Learner's definition of STAR
[no object] : to play the most important role in a movie, play, etc. usually + in
[+ object] : to have (someone) as the most important performer
[no object] : to perform extremely well
[+ object] : to mark (something) with a star or other symbol
see also ill-starred