- tireless + -ness (Wiktionary)
“For an entire generation, she has symbolized the very qualities of the feminist movement -- strength, courage, tirelessness -- and she has never once lost her fire.”
“Cicero: "Remembering names, schmoozing, tirelessness, looking good, and looking like a good political bet.”
“A rising star and one of the popular favorites according to polls to succeed Mr. Kan, the chief cabinet secretary—top spokesman—has emerged from relative obscurity since the March 11 earthquake as the chief explainer, winning plaudits for his tirelessness and solid, focused manner.”
“Bays, they were capable of greater speed, and they ran with the supple tirelessness of true wolves.”
“Her tirelessness, her wisdom, and mastery of speaking is incredible to witness wherever you sit on the education reform debate.”
“It takes year-round dedication, a love of the game, intense focus and above all, tirelessness.”
“I would have a lasting coating of spunk, tirelessness, compassion and fervor.”
“And she has used her tenacity, and tirelessness, to fight for the rights of families, women and children.”
“He found that it produced much more than a transitory numbness: it amplified his instinct for tirelessness; it synergized with his already manic energy.”
“He launched an awe-inspiring training program for young surgical residents that would build them in his own image—a superhuman initiation into a superhuman profession that emphasized heroism, self-denial, diligence, and tirelessness.”
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