Word Forms of "co-star" (5 forms)

Noun

Form	Word
Plural	co-stars

Pluralco-stars

Verb

Form	Word
Participle, Past	co-starred
Participle, Present	co-starring
Past	co-starred
Present, Singular, Third-Person	co-stars

Participle, Pastco-starred

Participle, Presentco-starring

Pastco-starred

Present, Singular, Third-Personco-stars

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.