Definition Of tireless


having or showing great effort or energy.

a tireless campaigner

Example Of tireless

  • A record-breaking sprinter in his youth - his collegiate mark in the 60-yard dash stood for decades - he has revealed, in his first term, the tirelessness , stamina and patience of a long-distance runner.

  • A York man has finally found his long-lost father after a tireless search that took him to the other side of the Atlantic.

  • But he more than compensated for any physical deficits by his willingness to court female readers, and by his tirelessness in discussing his own work.

  • Frank was also a tireless campaigner for improved housing for working class people.

  • He devoted his life to fighting apartheid in South Africa, and was a tireless campaigner.

  • More Example