- The definition of extraordinaire is someone who is out-of-the-ordinary and extremely skilled in a particular field.
The best chef in the entire world is an example of someone who would be described as a chef extraordinaire.
extraordinaire 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.
extraordinary: used after the noun
extraordinaire definition by American Heritage Dictionary
Extraordinary: a jazz singer extraordinaire.
Origin: French, from Old French, from Latin extraōrdinārius; see extraordinary.