snoot
US /snuːt/
UK /snuːt/

1.
a person who believes that they are better than other people, especially in matters of taste or culture
:
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He's such a snoot, always looking down on anyone who doesn't appreciate classical music.
•
The art critic was known as a bit of a snoot, only praising obscure artists.
1.
to behave in a snobbish or disdainful way
:
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She tends to snoot at anyone who doesn't share her expensive tastes.
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Don't snoot at their simple ideas; sometimes the simplest solutions are the best.