Snobbish

She has nothing snobbish about her.

His snobbish attitude gets on my nerves.

She's just being snobbish.

Do people ever accuse you of being snobbish?

Narcissists are often snobbish, disdainful and patronising of others' opinions, while, at the same time, having an overwhelming need for admiration and reassurance.

Tom is just being snobbish.

Tom is a bit snobbish.

You're being a bit snobbish.

You're being a bit snobbish, aren't you?

Tom is a bit snobbish, isn't he?

St Cyprian's was an expensive and snobbish school which was in process of becoming more snobbish, and, I imagine, more expensive.