rus: упроный

Information
has URI	http://lexvo.org/id/term/rus/%D1%83%D0%BF%D1%80%D0%BE%D0%BD%D1%8B%D0%B9

Meaning
means	(adjective) showing sustained enthusiastic action with unflagging vitality; "an indefatigable advocate of equal rights"; "a tireless worker"; "unflagging pursuit of excellence" unwearying, tireless, unflagging, indefatigable