In a tireless manner; without tiring, flagging, or ceasing.(adverb)
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Use "tirelessly" in a sentence
"Goldman believed in tirelessly creating wealth for himself and his favored clients, and would repeat the phrase "Money is always in fashion.""
"I have preached the word tirelessly -- fanatically, they say -- but only as it burned in my bones."
"The doctor also spoke openly about wanting to die in a holy war, Yousef said, adding that in Internet postings he called tirelessly for jihad against Israel and the United States."