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1. Dictionary

   Tire·less

   /ˈtī(ə)rləs/

   

   adjective

   • 1. having or showing great effort or energy: "a tireless campaigner"

   Derivatives

   • 1. tirelessness noun

   Scrabble Points: 8

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2. www.merriam-webster.com › dictionary › tirelessTireless Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › tireless

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   The meaning of TIRELESS is seemingly incapable of tiring : indefatigable. How to use tireless in a sentence.

3. www.dictionary.com › browse › tirelessTIRELESS Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › tireless

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   Tireless definition: never seeming to tire; not slackening. See examples of TIRELESS used in a sentence.

4. dictionary.cambridge.org › dictionary › englishTIRELESS | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   TIRELESS | English meaning - Cambridge Dictionary. Meaning of tireless in English. tireless. adjective. uk / ˈtaɪə.ləs / us / ˈtaɪr.ləs / Add to word list. working energetically and continuously: Tony is a tireless worker. The prisoner's family is conducting a tireless campaign for his release.

5. dictionary.cambridge.org › us › dictionaryTIRELESS | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   adjective. us / ˈtaɪr.ləs / uk / ˈtaɪə.ləs / Add to word list. working energetically and continuously: Tony is a tireless worker. The prisoner's family is conducting a tireless campaign for his release. The police have been tireless in their search for the child's killer. Synonyms. indefatigable formal. untiring.

6. www.vocabulary.com › dictionary › tirelessTireless - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › tireless

   Someone who's tireless seems to never run out of energy. A tireless student will stay up late to make sure her paper is perfect; a tired student will just go to sleep.

7. www.collinsdictionary.com › dictionary › englishTIRELESS definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   If you describe someone or their efforts as tireless, you approve of the fact that they put a lot of hard work into something, and refuse to give up or take a rest. [approval] He was a tireless worker for justice. ...the charity's tireless efforts to help the poor.

8. www.oxfordlearnersdictionaries.com › us › definitiontireless adjective - Definition, pictures, pronunciation and...

   www.oxfordlearnersdictionaries.com › us › definition

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   Definition of tireless adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

9. www.thefreedictionary.com › tirelessTireless - definition of tireless by The Free Dictionary

   www.thefreedictionary.com › tireless

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   Having or showing a capacity for persistent effort; not tiring or relenting: a tireless advocate; tireless efforts.

10. dictionary.cambridge.org › us › dictionaryTIRELESS | definition in the Cambridge Learner’s Dictionary

    dictionary.cambridge.org › us › dictionary

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    working very hard at something and not stopping: He was a tireless campaigner / worker for children's organizations. I want to thank James for his tireless efforts on behalf of the company. (Definition of tireless from the Cambridge Learner's Dictionary © Cambridge University Press)

11. www.yourdictionary.com › tirelessTireless Definition & Meaning | YourDictionary

    www.yourdictionary.com › tireless

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    Tireless definition: Having or showing a capacity for persistent effort; not tiring or relenting.