GRE TOEFL IELTS exertion Definition The use of physical or mental effort; great effort. Example "Running the marathon required tremendous exertion." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← exert exhale → Study tips featuring "exertion" Map Each Word Into a Connected Network Audit Your Own Writing for Lexical Resource Force Contrast Between Two Similar Words Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant