The Collaborative International Dictionary
Unweariedness
Unwearied \Un*wea"ried\, a. Not wearied; not fatigued or tired; hence, persistent; not tiring or wearying; indefatigable. -- Un*wea"ried*ly, adv. -- Un*wea"ried*ness, n.
Wiktionary
unweariedness
n. The quality of being unwearied.