If you skip wearing underwear, you’re said to be going commando. This bit of slang originated during the Vietnam War, when U.S. commandos had compelling reasons to do without that particular piece of clothing. Plus, Watergate salad is a...
Strictly speaking, the verb insure means to “pay a third party to protect against financial loss,” and ensure means “to make sure” or “make certain” that something occurs. For centuries, however, these words were...