condescending

adjective

Pronunciation: /ˈkɔn.dɪ.sɛnd.ɪŋ/ / /ˈkɔnˌdi.sɛnd.ɪŋ/ / /ˌkɑndəˈsɛndɪŋ/

Assuming a tone of superiority, or a patronizing attitude.
“Quit talking to me in that condescending tone! You always treat me like a child!”
“The housekeeper, a very decorative brunette of thirty-five with a pseudo-English accent, greeted him with a mixture of grateful effusion and condescending patronage.”