pat ‧ ro ‧ niz ‧ ing /ˈpætrənaɪzɪŋ $ ˈpeɪ-, ˈpæ-/ BrE AmE adjective
someone who is patronizing talks to you in a way that shows they think you are less intelligent or important than them:
a patronizing attitude
a patronizing tone
I don’t mean to sound patronizing.
—patronizingly adverb