onus

Definitions

A burden or responsibility, especially one that is difficult or unpleasant.

The responsibility or duty to prove something or perform a task.

Examples

The onus is on the company to prove that their new product is safe for consumers.

As the eldest sibling, she felt the onus was on her to take care of the family business.

Synonyms

burden responsibility duty obligation liability weight charge

Antonyms

advantage benefit exemption immunity freedom irresponsibility relief