the.com/snobbish
Looking down at people from a ladder you didn't build.
means Acting superior based on taste, class, or status, while quietly judging those deemed beneath you.
from From snob, 1780s university slang for a townsperson lacking noble rank; the meaning flipped from low-born to those who sneer at the low-born.
Original snobMeant a shoemaker or commoner, not an elitist.
Thackeray's hitHis 1848 Book of Snobs popularized the modern sense.
Reverse snobberySneering at the refined is snobbery too.