Category:Indefatigable

In`de*fat"i*ga*ble, a. Etym: [L. indefatigabilis: cf. OF. indefatigable. See In- not, and Defatigable, and cf. Infatigable.]

Defn: Incapable of being fatigued; not readily exhausted; unremitting in labor or effort; untiring; unwearying; not yielding to fatigue; as, indefatigable exertions, perseverance, application. "A constant, indefatigable attendance." South. Upborne with indefatigable wings. Milton.

Syn. -- Unwearied; untiring; persevering; persistent.