dated da·ted UK/ˈdeɪtɪd/ US/ˈdeɪtɪd/ common adjective 1. marked by features of the immediate and usually discounted past Similarunfashionable 2. bearing a date “dated and stamped documents” Similardatable WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.