Entry 2 senses · 2 variants Webster, 1913 Tinselly · Tin·sel·ly · IPA /ˈtɪnsəli/ a. adv. 01 a. Like tinsel; gaudy; showy, but cheap. 1. Like tinsel; gaudy; showy, but cheap. 02 adv. In a showy and cheap manner. 1. In a showy and cheap manner.