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 PDF — $25 TOEFL PDF — $25 ← steer stem → Study tips featuring "stellar" TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT 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