Entry 1 sense Webster, 1913 Disengaging /dĭs-ĭn-gāj'-ĭng/ · Dis·en·ga·ging · IPA /dɪsɪnɡˈeɪdʒɪŋ/ 01 a. Loosing; setting free; detaching. 1. Loosing; setting free; detaching. Phrases & compounds Disengaging machinery — See under Engaging.