demonioEnglish translation of demoniom 1 (diablo) devil Definition of devil in the British & World English dictionary Definition of devil in the US English dictionary Translate devil | into French | into German | into Italian 2 (fam) (uso expletivo) ¡cómo demonios lo hizo! = how on earth did he do it? ¿qué demonios … ? = what the hell … ? (colloq) ¡demonio(s)! (expresando enfado) = damn! (colloq); (expresando sorpresa) = goodness!, heavens!