Source : WordNet®

unholy
     adj 1: not hallowed or consecrated [syn: {unhallowed}] [ant: {holy}]
     2: extremely evil or cruel; expressive of cruelty or befitting
        hell; "something demonic in him--something that could be
        cruel"; "fires lit up a diabolic scene"; "diabolical
        sorcerers under the influence of devils"; "a fiendish
        despot"; "hellish torture"; "infernal instruments of war";
        "satanic cruelty"; "unholy grimaces" [syn: {demonic}, {diabolic},
         {diabolical}, {fiendish}, {hellish}, {infernal}, {satanic}]
     3: having committed unrighteous acts; "a sinful person" [syn: {sinful},
         {wicked}]
     [also: {unholiest}, {unholier}]

unholier
     See {unholy}