Behaving as though you think you are better than other people, especially those with less money or lower social status.
From 'snob' (origin disputed, possibly from 'sin nob' meaning 'without nobility' in 18th-century British slang). The 'ish' suffix makes it an adjective meaning 'having the quality of.'
The term 'snob' might have started as Cambridge slang for shoemakers and their apprentices—people literally at the bottom of the social hierarchy—which makes calling someone a snob deeply ironic since the word originally meant 'common person'!
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