Definition of relentless in US English:

relentless

adjective

  • 1Oppressively constant; incessant.

    ‘the relentless heat of the desert’
    • ‘Football has continued its relentless march into cricket's strongholds.’
    • ‘Pearson was singled out for the relentless demands that he put on his people.’
    • ‘Success follows relentless pursuit of something you absolutely believe in.’
    • ‘I continued my relentless walk through the streets, knife barred into my deep clutches.’
    • ‘Throughout the long day, they suffered cruelly under the constant whining shells and relentless, baking sun.’
    • ‘His muscular approach to the game and his relentless running made a constant threat to Mayo.’
    • ‘The state cannot deal with change, and ours is a time of constant and relentless change.’
    • ‘More in the crowd ask for food and water as the sun continues to cover the area with relentless heat.’
    • ‘The pandemic continues its relentless spread about 14 000 people are infected each day.’
    • ‘He followed her, settling his weight on top of her in a most possessive way and not allowing her any room to escape from his relentless pursuit.’
    • ‘He is a man who combines a tremendous, relentless determination with a stalwart good humor.’
    • ‘The world is groaning to a halt, and yet the ants continue their relentless labour under sunny skies.’
    • ‘The fear of drawing attention to themselves was constant and relentless.’
    • ‘So he searched, and sought shelter from this relentless heat, bearing in mind the past.’
    • ‘It seemed he would never escape the relentless torture of being forced to choose a bride.’
    • ‘The sun was relentless, and the heat reflected cruelly off the parched earth.’
    • ‘She deftly defeats those who dare challenge her with a relentless intensity.’
    • ‘As of writing, the relentless fall in the stock market continues unabated.’
    • ‘As always the flow of patients was relentless, but as the day wore on I became familiar with some of the friendly faces of the patients on the unit.’
    • ‘Yet it's hard to think of anyone who has pursued power with such relentless single-handedness.’
    persistent, continuing, constant, continual, continuous, non-stop, lasting, never-ending, steady, uninterrupted, unabated, unabating, unbroken, interminable, incessant, unstoppable, unceasing, endless, unending, perpetual, unremitting, unrelenting, unrelieved, sustained
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    1. 1.1 Harsh or inflexible.
      ‘a patient but relentless taskmaster’
      • ‘He was relentless, some said ruthless, and it made him one of the toughest prosecutors in the state.’
      • ‘Their name will remain etched on the stone table of relentless, hard working rock n roll bands.’
      • ‘Still she continued on relentless as I did everything I could to fight back and not beg for mercy.’
      • ‘David Sifry is relentless in evangelizing the importance of blogs to business.’
      • ‘He became a relentless traveller, sparing no continent and few countries in quest of subjects and themes.’
      • ‘But he's ruthless and relentless, and you always think that there might be a point in a Hollywood movie that he will draw back.’
      • ‘Instead he plays figurehead to perfection, based on a huge, relentless and ruthless spin team.’
      • ‘Consider the shoppers you know who are relentless in their pursuit of a deal.’
      • ‘Change is slow to come, and we must continue to be relentless in our pursuit to let others know our value.’
      harsh, grim, fierce, cruel, severe, strict, punishing, remorseless, merciless, pitiless, ruthless, unmerciful, unsparing, heartless, hard-hearted, hard, stony-hearted, stony, with a heart of stone, cold-blooded, cold-hearted, unforgiving, unfeeling, uncaring, unsympathetic, uncharitable, lacking compassion, unpitying
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Pronunciation

relentless

/rəˈlen(t)ləs//rəˈlɛn(t)ləs/