IPA: /mɛnˈdæsɪti/
KK: /mɛnˈdæsɪti/
The act of telling lies or being untruthful.
His mendacity made it hard for anyone to trust him.
Mendacity → It is formed from "mendax" (meaning lying or deceitful) and the suffix "-ity" (meaning the state or quality of). The word "mendacity" refers to the quality or state of being deceitful or untruthful.
Think of someone who is 'lying' ('mendax') and remember that 'mendacity' describes the quality of being untruthful.