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English adjective: tireless

1. tireless showing sustained enthusiastic action with unflagging vitality


SamplesAn indefatigable advocate of equal rights.
A tireless worker.
Unflagging pursuit of excellence.


Synonymsindefatigable, unflagging, unwearying


Similarenergetic


Antonymslethargic, unenrgetic

2. tireless characterized by hard work and perseverance


Synonymshardworking, industrious, untiring


Similardiligent


Antonymsnegligent









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