Tireless - Definition
tireless
adj 1: showing sustained enthusiastic action with unflagging
vitality; "an indefatigable advocate of equal rights"; "a
tireless worker"; "unflagging pursuit of excellence"
[syn: indefatigable, tireless, unflagging,
unwearying]
2: characterized by hard work and perseverance [syn:
hardworking, industrious, tireless, untiring]