Breadcrumb Home > Thesaurus > O Synonyms of onus Find synonyms for: Noun 1. burden, load, encumbrance, incumbrance, onus, concern, worry, headache, vexation usage: an onerous or difficult concern; "the burden of responsibility"; "that's a load off my mind" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of onus (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: eacutelan Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language