Entry 2 senses · 2 variants Webster, 1913 dwindling · IPA /dwˈɪndəlɪŋ/ adj. n. 01 adj. gradually decreasing until little remains. 1. gradually decreasing until little remains. Syn. tapering, tapering off. 02 n. the act or process of becoming gradually less until little remains; as, there is no greater sadness that the dwindling away of a family. 1. the act or process of becoming gradually less until little remains; as, there is no greater sadness that the dwindling away of a family. Syn. dwindling away.