blunted blun·ted UK/ˈblʌntɪd/ US/ˈblʌntɪd/ uncommon slang adjective 1. made dull or blunt Synonymsdulled Similardull WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.