Entry 1 sense Webster, 1913 During /do͝or'-ĭng/ · Dur·ing · IPA /ˈdjʊə.ɹɪŋ/ 01 prep. In the time of; as long as the action or existence of; as, during life; during the space of a year. 1. In the time of; as long as the action or existence of; as, during life; during the space of a year.