• Bengali Word পিশাচ English definition (noun) 1 name of a class of demons; fiend; ogre; demon; imp; ghoul 2 malevolent/ devilish being পিশাচী (feminine) = পিশাচ. পিশাচতত্ত্ব (noun) demonology. পিশাচচর্ষা, পিশাচ পদ্ধতি (noun(s) practice of demons; demonic/ demoniac/ diabolic/ ghoulish/fiendish practice/ways. পিশাচ প্রকৃতি (noun) demoniac/fiendish nature. পিশাচসিদ্ধ (adjective) who has made a demon his slave by means of rigorous ascetic practices পিশাচসিদ্ধা (feminine) = পিশাচ.