look down your nose

look down (one's) nose at (someone or something)

To regard oneself as superior to others and thus act in a haughty or snobbish manner. The well-dressed businessman looked down his nose at the homeless man sitting on the corner. Once Jane was promoted to management, she looked down her nose at the people who used to be her colleagues.See also: down, look, nose

look down your ˈnose (at somebody/something)

(informal, especially British English) behave in a way that suggests that you think that you are better than somebody, or that something is not good enough for you: Why do you always look down your nose at people who have less money than you?See also: down, look, nose