Flippancy is a related term of presumptuousness.
As nouns the difference between flippancy and presumptuousness
is that flippancy is a disrespectful levity or pertness especially in respect to grave or sacred matters while presumptuousness is the state of being presumptuous.
flippancy
English
Noun
(flippancies)
A disrespectful levity or pertness especially in respect to grave or sacred matters.
Related terms
* flippant