moderating mo·de·ra·ting US/ˈmɑdɜrˌeɪtɪŋ/ uncommon adjective 1. lessening in intensity or strength Antonymsintensifying Similaralleviativeanalgesictemperingweakening WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.