1. Improved by the removal of faults or abuses.
2. Improved in conduct or character.
3. Reformed Relating to or being the Protestant churches that follow the teachings of John Calvin and Ulrich Zwingli.

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.