Reverse Dictionary: HELLISH

ADJECTIVES
ACHERONIAN relating to or suggestive of the underworld of the ancient Greeks, or the mythical river Acheron; infernal, hellish; dark, gloomy → 1849 chiefly literary usage
ACHERONTICAL infernal, hellish; dark, gloomy → 1610 obs.
AVERNAL hellish, infernal → 1548
HELL-BENDING hellish, arduous → 1890 Amer. sl.
STYGIAN infernal, hellish → 1601
TARTAREAN hellish, like hell → 1806
TARTAREOUS pert., to Tartarus; infernal, hellish, very wicked → 1619 obs.

NOUNS
TOPHETISM hellishness → 1859

NOUNS – PERSON
PANDEMONIAC a devilish or hellish person → 1923
SATAN a term of abhorrence applied to a person; a diabolical person; a detested, devilish or hellish person → 1596