fiendish fiendhead • fiendishly · · · Info · Synonyms · Characters · · fiendish · · Text Latin · · Script 8 · · Length Synonyms · · · demonic · · Synonym 1 diabolic · · Synonym 2 diabolical · · Synonym 3 hellish · · Synonym 4 infernal · · Synonym 5 satanic · · Synonym 6 unholy · · Synonym 7 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073