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.
INDEFATIGABLENESS
In`de*fat"i*ga*ble*ness, n.
Defn: Indefatigable quality; unweariedness; persistency. Parnell.
INDEFATIGABLY
In`de*fat"i*ga*bly, adv.
Defn: Without weariness; without yielding to fatigue; persistently.
Dryden.
INDEFATIGATION
In`de*fat`i*ga"tion, n.
Defn: Indefatigableness; unweariedness. [Obs.] J. Gregory.
INDEFEASIBILITY
In`de*fea`si*bil"i*ty, n.
Defn: The quality of being undefeasible.