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Use "unquailing" in a sentence
"For none that was familiarly conversant with Dionysius but scorned him for his life of idle amusement with wine, women, and dice; whereas it required an heroic soul and a truly intrepid and unquailing spirit so much as to entertain the thought of crushing Caesar so formidable for his ability, his power, and his fortune, whose very name disturbed the slumbers of the Parthian and Indian kings."
"He marched with a proud step to the place of execution on Arbour Hill, Dublin, and he died, as a soldier might, with unshaken firmness and unquailing mien."
"He ground his teeth in rage and seemed on the point of committing some desperate deed, but those unquailing and flashing eyes were fixed upon him with a look that seemed to burn into his innermost soul, and penetrate its dark recesses of guilt."