- emphasizing that there is no need to worry
- stressing determination to do something
- confidence that something will happen
- You can rest assured that the transaction will be completed by the close of business today.
- The headmaster told the new pupil’s parents to rest assured that this was the best school in the area for sport and science.
- The baker told his customers to rest assured that his bread was freshly baked every morning.
- The policewoman made the old lady a cup of tea and told her to rest assured that they would find her stolen property.
- Rest assured that we are doing everything in our power to prevent this from happening again.
- Cynthia felt she could rest assured that the house she was about to buy was worth the money.
- The doctor told Marion that she could rest assured that the operation had been a complete success. If she continued to do her physio, she would be able to go home in a few days.
In use from the 1500s, this formal expression gives a sense of certainty, trust or confidence in a particular situation.
Idiom of the Day
The Idioms Dictionary explains common English idioms that are popular worldwide, especially in the United States, Canada, the United Kingdom, Australia, Singapore, and New Zealand.