Definition of "without a doubt" []

• Certainly, doubtlessly (phrase)
• Probably, no doubt (phrase)

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• "Sixty-five pounds down within the year, and without a doubt my most successful daily meal was a can of Heinz Vegetarian Beans."
• "We are without a doubt announcing the result of our deliberations in June, but it needs to be done more speedily, said Mr. Ando."
• "Elslow observed it all and remarked to Roger that it was without a doubt the loudest birth ever recorded in history."