denarian UK /dɪˈnɛəɹi.ən/US /dɪˈnɛɹi.ən/ adjective2 •Pertaining to the number 10.play loose when it's only time to choose brother stop playing the goose trapped in a denarian noose — 1982 •Pertaining to a form a numerology that views the number 10 as the most perfect or powerful number.