ickyEnglishOxford Dictionary of Englishicky /ˈɪki / ▸ adjective ( ickier, ickiest) informal unpleasantly sticky. ▪ nasty or unpleasant: the kids were eating something icky. ▪ distastefully sentimental: a romantic subplot that is just plain icky. – DERIVATIVES ickiness noun– ORIGIN 1930s: perhaps related to sick1 or to the child's word ickle.