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fiendishness
Variant of fiendish
adjective
- of or like a fiend; devilish; inhumanly wicked or cruel
- extremely vexatious or difficult
Related Forms:
- fiendishly adverb
- fiendishness noun
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.