rest assured

Idioms

You can be sure, as in Rest assured that the police will recover your diamonds. This expression uses assured in the sense of “certain” or “confident,” a usage dating from the early 1500s.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

rest assured

But rest assured, he will say it in a quite serious way if the time comes.

From Slate ● Jun. 19, 2026

But they can rest assured: Mbappé has no political aspirations.

From The Wall Street Journal ● Jun. 16, 2026

"You can rest assured that peace is guaranteed here."

From Barron's ● Jun. 10, 2026

But rest assured, by then they’ll have revealed exactly who they are.

From Los Angeles Times ● Mar. 25, 2026

But rest assured: he was on his way.

From "The Long-Lost Home" by Maryrose Wood

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023