overstrike Syllabification: (o·ver·strike)Pronunciation: /ˈōvərˌstrīk/Definition of overstrike noun the superimposing of one printed character or one coin design on another. a coin showing one design superimposed on another. Derivatives overstrikingPronunciation: /ˌōvərˈstrīkiNG/ noun overstrike in other Oxford dictionaries Definition of overstrike in the British & World English dictionary