December 06, 2016
boundary (noun)
\BOUN-dree\ Hear it!
What does it mean?
: something that points out or shows a limit or end : dividing line
How do you use it?
The boundaries of countries and states are often marked by geographical features like rivers and mountain ranges.
Are you a word wiz?

There are many kinds of boundaries, and our quiz aims to define their boundaries by identifying something that is NOT a boundary. Which of the following is NOT an example of a boundary?

Fences, lines, and rivers make good boundaries, but a boundary can also be something you can't see. For example, a story that's mostly true but is partially made up may be said to deal with the boundary between fact and fiction. The word "boundary" comes from the noun "bound," which is almost always plural: "bounds." You use this word when you talk about a ball being "out of bounds" or "in bounds" during a game. "Bounds" is also used in phrases like "a theory outside the bounds of reason," which means "a theory that is not reasonable."
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