Easily tired or wearied; capable of being fatigued.(adjective)
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Use "defatigable" in a sentence
" A few survivors, precariously perched on sill-less windows, survey their double bind looking for perspective and vanishing points, a place to tip themselves over the edge in hopes defatigable winging."
"He doesn't get tired of telling the truth – which explains his in-defatigable nature."
"Louis XIthat in defatigable workman, who commenced on so large a scale the demolition of the feudal edifice, continued by Richelieu and Louis XIV to the advantage of royalty, and completed by Mirabeau to the advantage of the peopleLouis XI had done his utmost to break up this network of seigneuries which covered Paris, by casting violently athwart it two or three ordinances of general police."