- The definition of self-appointed is someone who named him or herself to a position or role.
An example of self-appointed is a person who knows everyone in the town and is the self-appointed mayor.
self-appointed 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.
declared to be so by oneself, but not so designated by others: a self-appointed censor
self-appointed definition by American Heritage Dictionary
Designated or chosen by oneself rather than by due authority: a self-appointed mediator.