SAT TOEFL stellar Definition Outstanding or excellent; relating to stars. Example "The actor gave a stellar performance that earned her an award." Sign in to save SAT Quiz → TOEFL Quiz → ← steer stem → Study tips featuring "stellar" Let the Argument Reveal Unfamiliar Word Meanings Map Each Word Into a Connected Network Map the Author's Attitude Before Reading Questions Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal