1. Not new; secondhand: a used car.
2. (also yūst) Accustomed; habituated: getting used to the cold weather; was used to driving a small car.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.