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.
Does Boxing Day Have Anything To Do With Boxing?The holiday is generally obscure in the States. But in Britain, the celebration is ubiquitous—and doesn't usually involve a boxing ring.
What’s The Difference Between “Assure,” “Ensure,” And “Insure”?One of our readers recently asked about the differences between assure, ensure, and insure. All three of these words ultimately derive from the Latin word sēcūrus meaning “safe.” As with many words that share ancestors, these terms’ meanings overlap thematically, but they’re not necessarily interchangeable. Here’s a look at the key differences. Assure was the first of the three to enter English with a reflexive sense of “to have …
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.