adj., -pi·er, -pi·est.
- Informal. Lively or energetic; brisk.
- Informal. Smart or chic.
- Snappish: a snappy retort.
snappiness snap'pi·ness n.
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.