eyeshadow Syllabification: (eye·shad·ow)Pronunciation: /ˈīˌSHadō/Translate eyeshadow | into German | into Italian Definition of eyeshadow noun a colored cosmetic, typically in powder form, applied to the eyelids or to the skin around the eyes to accentuate them. eyeshadow in other Oxford dictionaries Definition of eyeshadow in the British & World English dictionary