Word.ws English Dictionary

Plural of onus

regular plural

The plural of onus is onuses or onera.

Forms of onus

Singularonus /ˈəʊnəs/
Pluralonuses
onera
Countablecountable and uncountable

Meaning of onus

  1. noun A legal obligation.
  2. noun Burden of proof, onus probandi.
  3. noun Stigma.

Full definition of onus

Questions about the plural of onus

What is the plural of onus?
The plural of onus is onuses or onera.
Which is correct, onuses or onera?
Both are used. onera is the more common of the two in English writing.
Is onus countable?
Onus is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: onus (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of onus.” Word.ws, https://word.ws/plural/onus. Based on Wiktionary, CC BY-SA 4.0.