Entry 2 senses Webster, 1913 Momentarily /mōmˌ-ən-tĕr'-əl-ē/ · Mo·men·ta·ri·ly · IPA /ˈməʊməntəɹəli/ 01 adv. Every moment; from moment to moment. 1. Every moment; from moment to moment. 2. In a moment; in the immediate future.