<p><strong>Noun</strong></p><ul><li>working time before or after one's regularly scheduled working hours; extra working time.</li><li>pay for such time (straight time).</li><li>time in excess of a prescribed period.</li><li>Sports: an additional period of play for deciding the winner of a game in which the contestants are tied at the end of the regular playing period.</li></ul><p><strong>Adverb</strong></p><ul><li>during overtime: to work overtime.</li></ul><p><strong>Adjective</strong></p><ul><li>of or for overtime: overtime pay.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to give too much time to (a photographic exposure).</li><li>o·ver·timed, o·ver·tim·ing.</li></ul>