Akademik

exertion
noun
use of physical or mental energy; hard work (Freq. 6)
-

he got an A for effort

-

they managed only with great exertion

Syn: ↑effort, ↑elbow grease, ↑travail, ↑sweat
Derivationally related forms: ↑travail (for: ↑travail), ↑exert
Hypernyms: ↑labor, ↑labour, ↑toil
Hyponyms:
struggle, ↑trouble, ↑difficulty, ↑least effort, ↑least resistance, ↑strain, ↑straining, ↑exercise, ↑exercising, ↑physical exercise, ↑physical exertion, ↑workout, ↑pull, ↑application, ↑diligence, ↑overkill, ↑supererogation, ↑overexertion, ↑friction, ↑detrition, ↑rubbing

Useful english dictionary. 2012.