unflagging

  • (s) showing sustained enthusiastic action with unflagging vitality
    • an indefatigable advocate of equal rights
    • a tireless worker
    • unflagging pursuit of excellence
    indefatigable, tireless, unwearying,
  • (s) unceasing
    • unfailing loyalty
    • unfailing good spirits
    • unflagging courtesy
    unfailing,

Synonyms

indefatigable tireless unwearying unfailing

Words of close approximity