IPA: /ˈoʊnərəsnəs/
KK: /ˈoʊnərəsnəs/
The state or quality of being burdensome or difficult to bear.
The onerousness of the new regulations made it hard for small businesses to comply.
Onerousness → It is formed from "onerous" (from Latin "onerosus", meaning burdensome or heavy) and the suffix "-ness" (meaning the state or quality of). The word "onerousness" refers to the state of being burdensome or heavy in terms of responsibility or obligation.
Think of the word 'onerous' meaning burdensome, and remember that 'onerousness' describes the quality of being burdensome.