- 1exert something to use power or influence to affect somebody/something He exerted all his authority to make them accept the plan. The moon exerts a force on the earth that causes the tides.
- 2exert yourself to make a big physical or mental effort In order to be successful he would have to exert himself. Word Origin mid 17th cent. (in the sense ‘perform, practise’): from Latin exserere
BrE BrE//ɪɡˈzɜːt//; NAmE NAmE//ɪɡˈzɜːrt//Verb Forms present simple I / you / we / they exert
BrE BrE//ɪɡˈzɜːt//; NAmE NAmE//ɪɡˈzɜːrt//he / she / it exerts
BrE BrE//ɪɡˈzɜːts//; NAmE NAmE//ɪɡˈzɜːrts//past simple exerted
BrE BrE//ɪɡˈzɜːtɪd//; NAmE NAmE//ɪɡˈzɜːrtɪd//past participle exerted
BrE BrE//ɪɡˈzɜːtɪd//; NAmE NAmE//ɪɡˈzɜːrtɪd//-ing form exerting
BrE BrE//ɪɡˈzɜːtɪŋ//; NAmE NAmE//ɪɡˈzɜːrtɪŋ//