संस्‍कृतशब्‍दकोशः

प्रतिपक्षिन्

विरोधी

opponent

Monier–Williams

प्रतिपक्षिन् — {pakṣin} m. an opponent, adversary Śaṃk##{kṣi-tā} f. self-contradiction, the being self-contradictory MW