sniffiness

Sniffiness is a noun for the quality of being sniffy—that is, having or showing disdain or contempt for others, often through subtle signals like a disapproving sniff or upturned nose.

It suggests an attitude of superiority, as though the sniffy person finds others beneath their standards.

There was a certain sniffiness in her reaction to the cheap wine.

The term carries connotations of pretentiousness or affected refinement.