Try Our Apps


90s Slang You Should Know

rest assured

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.
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Examples from the Web for rest assured
Contemporary Examples
Historical Examples
  • rest assured my interest and assistance henceforth are at your command.

    Solaris Farm Milan C. Edson
  • Madame may rest assured,” she said quietly, “all shall be as she desires.

    A Woman's Will Anne Warner
  • And you may rest assured of our most cordial cooperation so far as it may become necessary in this pursuit.

  • You can rest assured that I have made every inquiry and that now I know.

    The Golden Face William Le Queux
  • That done, you may rest assured Thebes will be completely under the thumb of Lacedaemon and of us, your friends.

    Hellenica Xenophon

Word of the Day

Word Value for rest

Scrabble Words With Friends

Nearby words for rest assured