Antonyms of adj hellish

2 senses of hellish

Sense 1
beastly, hellish, god-awful -- (very unpleasant; "hellish weather"; "stop that god-awful racket")

INDIRECT (VIA unpleasant) -> pleasant -- (affording pleasure; being in harmony with your taste or likings; "we had a pleasant evening together"; "a pleasant scene"; "pleasant sensations")

Sense 2
demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy -- (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")

INDIRECT (VIA evil) -> good -- (morally admirable)

Similarity of adj hellish

2 senses of hellish

Sense 1
beastly, hellish, god-awful -- (very unpleasant; "hellish weather"; "stop that god-awful racket")
       => unpleasant (vs. pleasant) -- (disagreeable to the senses, to the mind, or feelings ; "an unpleasant personality"; "unpleasant repercussions"; "unpleasant odors")

Sense 2
demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy -- (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")
       => evil (vs. good) -- (morally bad or wrong; "evil purposes"; "an evil influence"; "evil deeds")