[syn: demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy]
The Collaborative International Dictionary of English v.0.48:
Hellish \Hell"ish\, a.
Of or pertaining to hell; like hell; infernal; malignant;
wicked; detestable; diabolical. "Hellish hate." --Milton. --
Hell"ish*ly, adv. -- Hell"ish*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
hellish
adj 1: very unpleasant; "hellish weather"; "stop that god-awful
racket" [syn: beastly, hellish, god-awful]
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, unholy]
Moby Thesaurus II by Grady Ward, 1.0:
98 Moby Thesaurus words for "hellish":
Acherontic, Draconian, Lethean, Mephistophelian, Plutonian,
Plutonic, Stygian, Tartarean, anarchic, angry, animal,
anthropophagous, atrocious, barbaric, barbarous, beastly, bestial,
bloodthirsty, bloody, bloody-minded, blustering, blusterous,
blustery, brutal, brutalized, brute, brutish, cannibalistic,
chaotic, chthonian, chthonic, cruel, cruel-hearted, cursed,
damnable, demoniac, demoniacal, demonic, demonish, demonlike,
devil-like, devilish, diabolic, execrable, fell, feral, ferocious,
fiendish, fiendlike, fierce, frantic, frenzied, furious, ghoulish,
hellborn, infernal, infuriate, inhuman, inhumane, insensate, mad,
mindless, murderous, ogreish, orgasmic, orgastic, pandemoniac,
pandemonic, purgatorial, raging, ravening, raving, rip-roaring,
ruthless, sadistic, sanguinary, sanguineous, satanic, savage,
sharkish, slavering, storming, stormy, subhuman, sulfurous,
tempestuous, troublous, truculent, tumultuous, turbulent,
unchristian, uncivilized, ungodly, unhuman, uproarious, vicious,
wild, wolfish