Ufafanuzi wa kamusi wa neno "pepo" ni kivumishi kinachoelezea mtu au kitu kilicho na pepo au pepo, au kinachohusiana na kumilikiwa na mapepo. Inaweza pia kurejelea tabia au matendo ambayo huchukuliwa kuwa ya jeuri, uchokozi, au yasiyoweza kudhibitiwa, kana kwamba yanaongozwa na pepo. Umbo la nomino, "pepo," hurejelea mtu anayeaminika kuwa na pepo au mapepo.
1. When the Count saw my face, his eyes blazed with a sort of demoniac fury, and he suddenly made a grab at my throat.
2. His usual note was this demoniac laughter, yet somewhat like that of a water-fowl but occasionally, when he had balked me most successfully and come up a long way off, he uttered a long-drawn unearthly howl, probably more like that of a wolf than any bird as when a beast puts his muzzle to the ground and deliberately howls.
3. Still on they came, and now the near woods resounded through all their aisles with their demoniac cry.