paṭiviruddha : [pp. of paṭivirujjhati] opposing; contrary.

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

Paṭiviruddha [pp. of paṭivirujjhati, cp. BSk. prativiruddha rebellious Divy 445] obstructed or obstructing, an adversary, opponent J vi.12; DA i.51 (˚ā satta=pare); Miln 203, 403.

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