Conveying in demeanour the assumption of superiority; disdainful, supercilious.
hoity-toity
adj
Pompous, self-important and snobbish; pretentious or affected, sometimes with the implication of displaying an air of ostentation or excessive fanciness
How often have the words haughty and hoity-toity occurred in a corpus of books? (source: Google Ngram Viewer )