adj., -i·er, -i·est.
- Of considerable weight; heavy.
- Rugged and powerful. See synonyms at heavy.
- Informal. Of considerable size or amount: a hefty serving of mashed potatoes; received a hefty bonus.
heftiness heft'i·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.
