n. 25B6; noun
imps are thought to sprout from Satan : DEMON, devil, fiend; hobgoblin, goblin, elf, sprite, puck, cacodemon; archaic bugbear.
a cheeky young imp : RASCAL, monkey, devil, troublemaker, wretch, urchin, tearaway; informal scamp, brat, monster, horror, tyke, whippersnapper; Brit. informal perisher; N. Amer. informal hellion, varmint; archaic scapegrace, rapscallion.