Also found in: Medical.
Indicating personality traits, such as conceit, ambition, and generosity, supposed by psychoanalytic theory to originate during the anal stage in habits, attitudes, or values associated with infantile pleasure in the expulsion of feces.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.