costar

or co-star

[ noun koh-stahr; verb koh-stahr ]
/ noun ˈkoʊˌstɑr; verb ˈkoʊˈstɑr /

noun

a performer, especially an actor or actress, who shares star billing with another.
a performer whose status is slightly below that of a star.

verb (used without object), co·starred, co·star·ring.

to share star billing with another performer.
to receive billing of slightly less status than that of a star.

verb (used with object), co·starred, co·star·ring.

to present (two or more actors) as having equal billing or prominence.
to present as having slightly less status than that of a star.

Origin of costar

An Americanism dating back to 1915–20; co- + star

Words nearby costar

costal angle, costal arch, costal cartilage, costalgia, costanoan, costar, costard, costate, costectomy, costello, costen's syndrome

Example sentences from the Web for co-star

British Dictionary definitions for co-star

co-star

noun

an actor who shares star billing with another

verb -stars, -starring or -starred

(intr often foll by with) to share star billing (with another actor)
(tr) to present as sharing top billing the film co-starred Mae West and W. C. Fields