Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
adjective heft·i·er, heft·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.
- heftˈi·ly adverb
- heftˈi·ness noun