IPA: /ˈflɪpənsi/
KK: /ˈflɪpənsi/
A lack of seriousness or respect, often shown through joking or casual behavior, especially in serious situations.
His flippancy during the meeting upset many of his colleagues who were discussing important issues.
Flippancy → It is formed from "flip" (from Middle English *flippen*, meaning to turn over or toss) and the suffix "-ancy" (indicating a state or quality). The word "flippancy" refers to the quality of being frivolous or disrespectful in a casual manner.
Think of someone who 'turns over' serious topics ('flip') in a 'frivolous' way ('-ancy'), which helps you remember that flippancy means a lack of seriousness.
No commonly confused words.