infernal/ɪnˈfɝnəl/Comparativemore infernalSuperlativemost infernal1characteristic of or resembling HellCopy2expletives used informally as intensifiersCopySynonyms: blesseddamneddamngoddamnblamedarnedgoddamnedblastedgoddamdeucedblamed3exceedingly evil, devilish, or inhumanCopySynonyms: diabolicsatanicunholydemonichellishfiendishdiabolical4being of the underworldCopyAntonyms: supernal5relating to or having the qualities of hell, fire, or underworld of the deadCopy