tireless
adjective/ˈtaɪələs/
/ˈtaɪərləs/
(approving)- putting a lot of hard work and energy into something over a long period of time synonym indefatigable
- a tireless campaigner for human rights
- to have tireless energy
- She was tireless in her efforts on our behalf.
Oxford Collocations DictionaryTireless is used with these nouns:- advocate
- campaigner
- effort
- …
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tireless