vipanna : [pp. of vipajjati] having failed; having gone wrong; perished.

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

Vipanna [pp. of vipajjati] gone wrong, having lost, failing in ( -- ˚), opp. sampanna: A iii.19 (rukkho sākhā -- palāsa˚ a tree which has lost branches and leaves); Sn 116 (˚diṭṭhi one who has wrong views, heretic; expld as "vinaṭṭha -- sammādiṭṭhi" SnA 177); Miln 258 (su˚ thoroughly fallen). -- sīla˚ gone wrong in morals, lacking morality Vin i.63 (+ācāra˚, diṭṭhi˚); ii.4 (id.); J iii.138 (vipanna -- sīla).

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