TIRELESS

• (adj.) characterized by hard work and perseverance

  synonyms : hardworking , industrious , untiring

• (adj.) showing sustained enthusiastic action with unflagging vitality

  "an indefatigable advocate of equal rights", "a tireless worker", "unflagging pursuit of excellence"

  synonyms : indefatigable , unflagging , unwearying

WordNet® 3.0, © 2006 by Princeton University.

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