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

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."


Upborne with indefatigable wings. Milton.

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


© Webster 1913.

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