vipallattha : [adj.] deranged; perverted; upset.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Vipallattha (adj.) [=Sk. viparyasta, pp. of vi+pari+as: see vipallāsa] changed, reversed, upset, deranged, corrupt, perverted. Occurs in two forms: vipariyattha J v.372 (˚cittaŋ: in poetry); and vipallattha Vism 20 (˚citta: trsln "with corrupt thought"; T. spells vipallatta, v. l. ˚attha); DhsA 253 (˚gāha); PvA 212.

Pali-English Dictionary, TW Rhys Davids, William Stede,