Meaning of the word onus in English

What does onus mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

onus

US /ˈoʊ.nəs/
UK /ˈəʊ.nəs/

Noun

something that is one's duty or responsibility

Example:
The onus is on the prosecution to prove guilt.
The onus is on you to make sure everyone understands.