on-þræc Posted on March 12, 2015 by Hana Videen on-þræc, adj: horrible, dreadful. (ON-THRACK / ˈɔn-ˌθɹæk) ‘The Welles Apocalypse’, England 14th century (BL, Royal 15 D II, fol. 174v). Share this:Share Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Like Loading... Related