"You canker blossom!" 3 Shakespearean Insults


[oh-nuh s] /ˈoʊ nəs/
noun, plural onuses.
a difficult or disagreeable obligation, task, burden, etc.
burden of proof.
Compare onus probandi.
blame or responsibility.
Origin of onus
1630-40; < Latin: load, burden
1. responsibility, weight, duty, load.

onus probandi

[oh-noo s proh-bahn-dee; English oh-nuh s proh-ban-dahy, -dee] /ˈoʊ nʊs proʊˈbɑn di; English ˈoʊ nəs proʊˈbæn daɪ, -di/
the burden of proof. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for onus
  • The onus isn't on his detractors to prove that this stunt was a really, really bad decision.
  • The onus is on faculty to make sure the student further develops the work in ways that show growth.
  • Yes, caveat emptor applies, ie there is an onus on the buyer to understand what they are doing with their data.
  • Meal choices had been filed online beforehand, eliminating the ordering onus.
  • It would also put more onus on developing countries to become more attractive recipients of investment, green or otherwise.
  • But betting on alpha really puts the onus on the fund manager to do better than the market.
  • If climate change does slow poor countries' growth rates, the onus on rich ones to help will be even larger.
  • The onus is on the scientist to prove his hypothesis when observations match the predictions.
  • Less-affluent clients bear the onus of making sure their own homes are secure.
  • The onus lies with public health to determine which system best supports the current infrastructure.
British Dictionary definitions for onus


noun (pl) onuses
a responsibility, task, or burden
Word Origin
C17: from Latin: burden

onus probandi

/ˈəʊnəs prəʊˈbændɪ/
(law) the Latin phrase for burden of proof
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
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Word Origin and History for onus

1640s, from Latin onus "load, burden," figuratively "tax, expense; trouble, difficulty," from PIE *en-es- "burden" (cf. Sanskrit anah "cart, wagon"). Hence legal Latin onus probandi (1722), literally "burden of proving."

Online Etymology Dictionary, © 2010 Douglas Harper
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