Definition of tireless in English:

tireless

adjective

  • Having or showing great effort or energy.

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

/ˈtʌɪəlɪs/