ap·ple-pie (?p??l-p??)adj. Informal 1. Perfect; exemplary: put the room in apple-pie order.2. often apple pie Of, relating to, or marked by values regarded as distinctively American: “Family, neighborhood, community are apple pie virtues, unassailable and unavoidable in political rhetoric” (Ronald Brownstein).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.