ickyEnglishOxford New American Dictionaryicky /ˈikē, ˈɪki / ▸ adjective (ickier, ickiest) informal unpleasantly sticky. ▪ nasty or unpleasant: icky boys with all their macho strutting. ▪ distastefully sentimental: a romantic subplot that is just plain icky. – DERIVATIVES ickiness – ORIGIN 1930s : perhaps related to sick1 or to the child's word ickle.