onus UK/ˈəʊnəs/ US/ˈoʊnəs/ uncommon noun 1. an onerous or difficult concern “the burden of responsibility” “that” Synonymsburdenloadencumbranceincumbrance Related words Word family burden Broader terms concern Narrower terms dead weightfardelimpositionpill WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.
