hellish
adj 1: very unpleasant; "hellish (or beastly) weather" [syn: {beastly}]
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}, {infernal}, {satanic}, {unholy}]