SAT GRE TOEFL IELTS exhaustion Definition The state of being extremely tired; extreme fatigue. Example "He collapsed from exhaustion after the triathlon." Sign in to save SAT PDF — $25 GRE PDF — $25 TOEFL PDF — $25 IELTS PDF — $25 ← exhausted exhaustive → Study tips featuring "exhaustion" TOEFL Academic Vocabulary: Study by Topic How Context Clues Save You on the SAT Boost Your IELTS Writing With Precise Vocabulary 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