Search Result for "onus": 
Wordnet 3.0

NOUN (1)

1. an onerous or difficult concern;
- Example: "the burden of responsibility"
- Example: "that's a load off my mind"
[syn: burden, load, encumbrance, incumbrance, onus]



The Collaborative International Dictionary of English v.0.48:

Onus \O"nus\, n. [L.]
   A burden; an obligation.
   [1913 Webster]

   Onus probandi[L.], the obligation to furnish evidence to
      prove an assertion; the burden of proof.
      [1913 Webster]


WordNet (r) 3.0 (2006):

onus
    n 1: an onerous or difficult concern; "the burden of
         responsibility"; "that's a load off my mind" [syn:
         burden, load, encumbrance, incumbrance, onus]