Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun co-star

1 sense of co-star

Sense 1
co-star -- (one of two actors who are given equal status as stars in a play or film)
       => star, principal, lead -- (an actor who plays a principal role)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb co-star

2 senses of co-star

Sense 1
co-star -- (feature as the co-star in a performance)
       => star -- (feature as the star; "The movie stars Dustin Hoffman as an autistic man")

Sense 2
co-star -- (be the co-star in a performance)
       => star -- (be the star in a performance)