condescending
[adjective]
Synonyms: patronizing, disdainful, lofty, lordly, snobbish, snooty (informal), supercilious, superior, toffee-nosed (slang, chiefly Brit.)

[TahlilGaran] English Synonym Dictionary ▲

con‧de‧scend‧ing /ˌkɒndɪˈsendɪŋ◂ $ ˌkɑːn-/ adjective
behaving as though you think you are better, more intelligent, or more important than other people – used to show disapproval Synonym : patronizing:
Professor Hutter’s manner is extremely condescending.
—condescendingly adverb

[TahlilGaran] Dictionary of Contemporary English ▲