to think that you are better than sb / sth; to direct your eyes downward toward someone or something below you
Oxford80% of films
to think that you are better than sb / sth
I used to look down on people with hobbies.
because I used to look down on people like that.
Editorial20% of films
to direct your eyes downward toward someone or something below you
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition