plundering plun·de·ring US/ˈplʌndɜrɪŋ/ rare noun (1) adjective (1) noun 1. the act of stealing valuable things from a place “the plundering of the Parthenon” “his plundering of the great authors” Synonymspillagepillaging adjective 1. given to taking by force what is desired Similaracquisitive Related words Word family pillageplunder Broader terms aggression Narrower terms banditryrapelootingspoilravagingdepredationsack WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.