Found 2 items, similar to onus.
English → English (WordNet) Definition: onus onus n : an onerous or difficult concern; “the burden of responsibility”; “that's a load off my mind” [syn: burden, load, encumbrance, incumbrance]
English → English (gcide) Definition: Onus Onus \O"nus\, n. [L.] A burden; an obligation. [1913 Webster] Onus probandi[L.], obligation to furnish evidence to prove a thing; the burden of proof. [1913 Webster]