Also, without a doubt. See no doubt.
Words nearby without doubt
How to use without doubt in a sentence
And, in the case of fluoride, at least, that doubt might actually be justified.
Stephanie Giorgio, a classical musician, credits The Class for helping her cope with anxiety, focus, fear, and self-doubt.How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
Without it, they say, the disease would surely kill her within two years.
Most often, the doctrine is invoked by minors seeking an abortion without parental consent.
The research literature, too, asks these questions, and not without reason.How Skinny Is Too Skinny? Israel Bans ‘Underweight’ Models|Carrie Arnold|January 8, 2015|DAILY BEAST
He held it, but it was without pressure; without recognizance of the delight with which he once grasped it.
There was no doubt thought of his own loss in this question: yet there was, one may hope, a germ of solicitude for the mother too.Children's Ways|James Sully
Sol laughed out of his whiskers, with a big, loose-rolling sound, and sat on the porch without waiting to be asked.The Bondboy|George W. (George Washington) Ogden
She had listened—she had listened intently, looking straight out of the window and without moving.Confidence|Henry James
Without preface, he abruptly asked, what had been told him of the Duke of Wharton's behaviour the preceding night.