Definition of tireless in English:

tireless

adjective

  • Having or showing great effort or energy.

    ‘a tireless campaigner’
    • ‘The tireless enthusiast for the Middle Ages thus unwittingly confessed to an act of mindless vandalism.’
    • ‘Most refer to her good work and tireless energy but do not even touch on the range or depth of her activities.’
    • ‘Frank was also a tireless campaigner for improved housing for working class people.’
    • ‘She is respected for her tireless energy and enthusiasm in all of these fields.’
    • ‘I am sure many will miss his loyal friendship, tireless industry and agreeable manner towards all he met.’
    • ‘He devoted his life to fighting apartheid in South Africa, and was a tireless campaigner.’
    • ‘A York man has finally found his long-lost father after a tireless search that took him to the other side of the Atlantic.’
    • ‘This solicitor's dedication and commitment to human rights and suspected miscarriages of law is tireless.’
    • ‘His tireless passion and strong belief in our campaign has been an ongoing inspiration to all of us.’
    • ‘He was tireless, working six days a week, and he stopped only if snow covered the ground.’
    • ‘Recent years have seen historic progress and tireless efforts to secure a lasting peace.’
    • ‘The winner will be one local whose tireless efforts continue the tradition of making our area special.’
    • ‘This academy bears testimony to his tireless and selfless endeavours and services in this regard.’
    • ‘Thanks to his tireless efforts, the Government has identified a suitable site for the bus stand.’
    • ‘They had a couple of tireless septuagenarians in their ranks who motored about like people half their age.’
    • ‘He was a tireless campaigner and performer at benefit concerts over many decades.’
    • ‘Saskatchewan was blessed with a tireless worker who proudly represented working people.’
    • ‘Her tireless work for others has now earned her a place in the Greater Manchester Police Young Citizen of the Year finals.’
    • ‘His tireless efforts for a quick German reunification paid off well.’
    • ‘It wasn't about that magazine, it was about the fact that she was a tireless and deep reader.’
    vigorous, energetic, industrious, determined, resolute, enthusiastic, keen, zealous, forceful, strong, herculean, spirited, dynamic, intense, dogged, tenacious, persevering, stout, pertinacious
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Pronunciation

tireless

/ˈtī(ə)rləs//ˈtaɪ(ə)rləs/