- The definition of baneful is harmful or destructive to someone or something.
An example of baneful is a toxic gas that leaks from a factory.
baneful definition by Webster's New World
causing distress, death, or ruin; deadly
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- banefully adverb
baneful definition by American Heritage Dictionary
Causing harm, ruin, or death; harmful. See Usage Note at baleful.
- baneˈful·ly adverb