onus

[ oh-nuhs ]
/ ˈoʊ nəs /

noun, plural o·nus·es.

a difficult or disagreeable obligation, task, burden, etc.
burden of proof.Compare onus probandi.
blame or responsibility.

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Origin of onus

1630–40; <Latin: load, burden
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for onus

British Dictionary definitions for onus

onus
/ (ˈəʊnəs) /

noun plural onuses

a responsibility, task, or burden

Word Origin for onus

C17: from Latin: burden
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012