flippancy
nounUK /ˈflɪpənsi/
US /ˈflɪpənsi/
A way of talking that is not serious and shows little respect.
His flippancy during the meeting annoyed the teacher.
RELATED WORDS
OTHER MEANINGS
2. A lack of seriousness when seriousness is expected.
The flippancy of her answer surprised everyone.
3. Light, joking talk that may seem rude.
There was a hint of flippancy in his voice.
4. The quality of being carelessly casual about important things.
His flippancy about the rules got him in trouble.