turn upside down Copy link Outline 1. subverto, 32. inverto, 3 • turn upside down: 1. subverto, 3: v. upset. 2. inverto, 3: ships' hulls t.'d upside down, alvei navium inversi, Sall. Jug. 18. Phr.: they t. everything upside down, quod sursum est deorsum faciunt, Petr. 65, fin.: mare caelo confundunt, Juv. 6, 283: omnia infima summis paria faciunt, Cic. Leg. 3, 9, 19: ima summis mutant, Hor. Od. 1, 34, 12: v. topsy-turvy.