[adjective] - having the qualities of hell (= place to which bad people go after death) or (dated) very bad or unpleasantThe room was lit with an infernal red light.He described a journey through the infernal world.(dated) We've been having infernal weather.(dated) What an infernal noise!
INFERNAL
Meaning of INFERNAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012