noun the federal department responsible for maintaining a national energy policy of the United States.
— synonyms: Department_of_Energy, Energy_Department, Energy
noun mature female of mammals of which the male is called `buck'.
Examples
“All you ever do is surf the Internet. What will you do this afternoon?”
“it’s not the best broom, but it will have to do; this will do me, thanks.”
“It simply will not do to have dozens of children running around such a quiet event.”