Synonyms for unholy Found 10 synonyms across 3 meanings for “unholy”. not hallowed or consecrated (adj) unhallowed extremely evil or cruel (adj) demonicdiabolicdiabolicalfiendishhellishinfernalsatanic having committed unrighteous acts (adj) sinfulwicked Explore Related Words Rhymes with unholySynonyms for unhallowedSynonyms for demonicSynonyms for diabolicSynonyms for diabolicalSynonyms for fiendish Synonym Finder | Rhyme Finder | Poetry Editor