Definitions

1. adjective

having or showing a haughty or arrogant attitude, especially because of a sense of one’s own importance or superiority

“The snooty restaurant had a very formal atmosphere.”

2. adverb

in a haughty or arrogant manner

“She spoke snootily to the waiter, dismissing his recommendations.”

3. noun

a person who has a haughty or arrogant attitude, especially because of a sense of one’s own importance or superiority

“The snooty people at the art gallery looked down on me for not knowing the artist.”