hummingly,adv.|ˈhʌmɪŋlɪ| [See -ly2.] With a humming sound. 1908Daily Chron. 21 Jan. 6/5 He..endeavours to follow the service and join hummingly in the hymns.1923Daily Mail 6 Aug. 6 However warm the sun and hummingly populous the air, they [sc. the swifts] will go.