From Old Swedish diævul, diæffwol, diæffuill, diawl, diwell, dyfwll, dyffwill, diefwel, from Old Norse djǫfull, ultimately from Latin diabolus, from Ancient Greek διάβολος (diábolos). Compare Norwegian djevel, Danish djævel, English devil, German Teufel, Dutch duivel.
- (theology) devil, demon; a creature of hell.
- (theology) the Devil, Satan
- devil; bad part of the conscience
- devil; a wicked or naughty person