Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun onus

1 sense of onus

Sense 1
burden, load, encumbrance, incumbrance, onus -- (an onerous or difficult concern; "the burden of responsibility"; "that's a load off my mind")
       => concern, worry, headache, vexation -- (something or someone that causes anxiety; a source of unhappiness; "New York traffic is a constant concern"; "it's a major worry")