She spoke to us in a 'condescending' [='patronizing'] tone.
His comments were offensive and 'condescending' to us.
a 'condescending' attitude
(..) with her keys. Fine, put the Slim Jim in the garbage bag. Well, what if you said it without sounding so condescending? I can try, but your plan has the words "garbage bag" and "Slim Jim" in it! Hey, what's going on? (..)2014 TvShow: The Big Bang Theory Title: The Clean Room Infiltration Season: 8 Episode 11