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" Spot the Vocabulary Trap in Every Question TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT Related words SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal SAT abominable