co-star

/kəʊˈstɑːr/

/ˈkəʊstɑːr/ verb (present participle co-starring, past tense and past participle co-starred)

Definition

FILM/PLAY [T] › If a film, play, etc co-stars two or more famous actors, they are in it.

ACTOR [I] › to be in a film, play, etc with another famous actor: Hugh Grant co-stars with Julia Roberts in 'Notting Hill'.

(Definition of co-star verb from the Cambridge Learner's Dictionary © Cambridge University Press)

to do something without worrying about the risk or negative results

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