- The definition of crumbly is made of crumbs, or easily broken into small parts.
An example of something crumbly is a cookie that will not stay in one piece.
crumbly definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- crumbliness noun
crumbly definition by American Heritage Dictionary
adjective crum·bli·er, crum·bli·est
Easily crumbled; friable.
- crumˈbli·ness noun