snide 
/ˈsnaɪd/ adjective
/ˈsnaɪd/ adjective [more snide; most snide] : unkind or insulting in an indirect way
▪ snide remarks/comments/references ▪ a snide tone
▪ snide remarks/comments/references ▪ a snide tone
— snide·ly adverb
▪ “Are you having a problem?” she asked snidely.
▪ “Are you having a problem?” she asked snidely.
