ex·ert 
/ɪgˈzɚt/ verb
ex·erts; ex·ert·ed; ex·ert·ing /ɪgˈzɚt/ verb [+ obj] 1 : to use (strength, ability, etc.)
▪ He had to exert all of his strength to move the stone. ▪ She hasn't been reluctant to exert [=exercise] her authority. 2 : to cause (force, effort, etc.) to have an effect or to be felt
▪ The company exerted [=put] pressure on local politicians. ▪ He exerts a lot of influence on the other members of the committee. ▪ the force exerted by the machine
▪ He had to exert all of his strength to move the stone. ▪ She hasn't been reluctant to exert [=exercise] her authority.
▪ The company exerted [=put] pressure on local politicians. ▪ He exerts a lot of influence on the other members of the committee. ▪ the force exerted by the machine
exert yourself
: to make an effort to do something
▪ Don't exert yourself too much. ▪ She's always willing to exert herself to help other people.
▪ Don't exert yourself too much. ▪ She's always willing to exert herself to help other people.
