- The definition of pernickety, commonly spelled persnickety, is a particular attention to detail to the point of being too demanding.
An example of a pernickety person is someone who stands over a project and hounds the workers until every last minor detail is attended to.
pernickety 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.
pernickety definition by American Heritage Dictionary
Origin: Origin unknown.