flippancy
noun
[ ˈflɪp(ə)nsi ]
• lack of respect or seriousness; frivolousness.
• "she was infuriated by his careless flippancy"
Similar:
frivolousness,
levity,
superficiality,
shallowness,
glibness,
thoughtlessness,
carefreeness,
irresponsibility,
insouciance,
offhandedness,
disrespect,
irreverence,
facetiousness,
cheek,
cheekiness,
pertness,
overfamiliarity,
sauciness,
sassiness,
