• Bengali Word বিরোধী English definition (adjective) 1 opposing; hindering; preventing; obstructing; disturbing; opposed; contradictory; inconsistent. 2 adverse; hostile; inimical বিরোধিনী (feminine) = বিরোধী. বিরোধী পক্ষ (noun) 1 opposite/hostile/ rival party. 2 (in parliament) the opposition.