What does rest assured mean?

You use the expression rest assured to tell someone that they can be certain or confident about something:

  • “You can rest assured that the project will be finished on time.”
  • Rest assured, we will do everything in our power to help.”

This phrase always uses the verb “assure” (not to be confused with “insure” or “ensure”).

The QuillBot Grammar Checker can help ensure you’re using phrases like “rest assured” correctly.