overtimePronunciation: /ˈəʊvətʌɪm/Translate overtime | into French | into German | into Italian | into Spanish Definition of overtime noun [mass noun] 1time worked in addition to one’s normal working hours:fewer opportunities for overtime payment for overtime: the company could not afford to pay overtime 2North American extra time played at the end of a game that is tied at the end of the regulation time:they lost in overtime adverb in addition to normal working hours:we worked overtime to fulfil a big order figurativehis brain was working overtimeovertime in other Oxford dictionaries Definition of overtime in the US English dictionary