Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
an attitude or state of mind characterized by extreme suspiciousness and defensiveness and by a feeling of being under attack by a hostile opposition while being confined as if in a fortified bunker
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An attitude of extreme defensiveness and self-justification based on an often exaggerated sense of being under persistent attack from others.