fueled fue·led UK/ˈfjuː.əld/ US/ˈfjuːld/ uncommon us adjective 1. supplied with or powered by fuel Antonymsunfueled Similarburningoil-firedoxyacetylene WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.