COSTAR Synonyms: 64 Similar and Opposite Words

costar 1 of 2

noun

Definition of costar

as in actress

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Dissimilar Words

costar

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of costar

Noun

In 2025, costar Michael Learned spoke about the actors’ enduring bond. — Declan Gallagher, Entertainment Weekly, 13 Aug. 2026 His extraterrestrial performance earned him and costar Pam Dawber an ABC spinoff called Mork & Mindy, which ran from 1978 to 1982. — Kate Hogan, PEOPLE, 11 Aug. 2026

Verb

Thompson was married to costar Jerry Doyle from 1995 to 1997. — Jp Mangalindan, Entertainment Weekly, 6 Aug. 2026 Last year, Meghan’s birthday was similarly celebrated online by friends, with her friend and former Suits costar Abigail Spencer, Robbins and McKee Zajfen among those posting tributes to the Duchess of Sussex. — Stephanie Petit, PEOPLE, 5 Aug. 2026 See All Example Sentences for costar

Recent Examples of Synonyms for costar

Noun

Plans for a follow-up to the beloved comedy were first announced in January 2025, with both actresses confirmed to return.

— ABC News, ABC News, 15 Aug. 2026
The actress starred on the beloved sitcom from 1996 to 2005 alongside Romano, Brad Garrett, Doris Roberts, Peter Boyle and more.

— Tereza Shkurtaj, PEOPLE, 15 Aug. 2026

Definition of actress

Noun

Amziah hands off the honey plant to Kateri as McConaughey, the Oscar-winning movie star, hands off the film to newcomer LookingGlass, in her very first movie role.

— Katie Walsh, Boston Herald, 13 Aug. 2026
Earlier in the night, Pallister beat Canadian star Summer McIntosh for gold in the 200–meter freestyle.

— Peter Baugh, New York Times, 13 Aug. 2026

Definition of star

Verb

Critics and fanboy media thrashed Supergirl not just for its Guardians of the Galaxy touchstones, but also for aping Mad Max.

— Anthony D'Alessandro, Deadline, 29 June 2026
The track apes the softly anthemic approach of U2, Coldplay, and the National—until all of that elegant uplift topples like an overly ambitious wedding cake.

— Spencer Kornhaber, The Atlantic, 12 June 2026

Definition of ape

Noun

In 2018, Kate Bosworth was slated to play the starlet in a film titled Tate, and Hilary Duff starred as the late actress in 2019’s The Haunting of Sharon Tate.

— Jessica Sager, PEOPLE, 9 Aug. 2026
Having entered the industry as a starlet in 2018, Willis had reached its apex in less than three years — and was already looking past the glass ceiling that separates adult performers from mainstream recognition.

— Gustavo Turner, HollywoodReporter, 24 July 2026

Definition of starlet

Verb

In light of the rise of artificial intelligence (AI), Loretto sounds a warning to leaders about imitating the language used by AI tools.

— Sally Percy, Forbes.com, 12 Aug. 2026
Still, Nixon created a blueprint for presidential lawlessness that Trump imitated and greatly expanded.

— Elizabeth Holtzman, New York Daily News, 12 Aug. 2026

Definition of imitate

Noun

Reaves has a fully dedicated golf social media Instagram account, and right after retirement from the NBA, Smith joined the golf team at North Carolina A&T as a freshman walk-on.

— Omar Jimenez, CNN Money, 15 Aug. 2026
Lights, staging, the walk-on, how long a room stands in the dark before anything happens.

— Jeff Rabhan, Rolling Stone, 14 Aug. 2026

Definition of walk-on

Verb

Made with biotin, shea butter, and beeswax, the mascara was formulated to mimic the nourishing, strengthening effects of a lash serum.

— Micaela English, Glamour, 14 Aug. 2026
GLP-1s work by mimicking glucagon-like peptide-1, a hormone in the body that regulates blood sugar, appetite, and digestion.

— Jessica Starr, Fortune, 14 Aug. 2026

Definition of mimic

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Style

“Costar.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/costar. Accessed 19 Aug. 2026.

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Synonyms of costar

noun

verb

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