IPA: /ˈfɔːlsnəs/
KK: /ˈfɔlsnəs/
The quality or state of not being true or accurate; the condition of being untrue or misleading.
The falseness of his claims was revealed during the investigation.
Falseness → It is formed from "false" (from Old French *fals*, meaning not true or incorrect) and "-ness" (meaning the state or quality of). The word "falseness" refers to the state of being false or untrue.
Think of the word 'false' to remember that 'falseness' means the quality of being untrue.