clockwork Syllabification: (clock·work)Pronunciation: /ˈkläkˌwərk/Translate clockwork | into French | into German | into Italian | into Spanish Definition of clockwork noun a mechanism with a spring and toothed gearwheels, used to drive a mechanical clock, toy, or other device. adjective [attributive] driven by clockwork:a clockwork motor a clockwork toy very smooth and regular:the clockwork precision of the galaxy repetitive and predictable:it was a clockwork existence for the childrenPhrases as regular as clockwork very regularly; repeatedly and predictably. like clockwork very smoothly and easily:the event ran like clockwork with mechanical regularity:these hens lay like clockworkclockwork in other Oxford dictionaries Definition of clockwork in the British & World English dictionary