Find Antonyms
costar Antonyms
Opposite of costar
Pinning down the opposite of costar requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
• noun (Context 1)
A performer who shares leading billing or a prominent role with one or more other actors in a film, play, or television production.
Usage Example
"The actress praised her extra for making the long filming schedule so enjoyable."
Strong
extra
understudy
Similar words to costar
Words similar to costar shift depending on context. Common synonyms include:
co-lead
star
feature
act
Cite this Entry
Wordmom. (2026). Antonyms for Costar. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/costar