infernaal angolul

infernal▼(Of or relating to hell, or the world of the dead; hellish)
adjective
[UK: ɪn.ˈfɜːn.l̩] [US: ˌɪn.ˈfɝː.nl̩]

stygian▼(infernal or hellish)
adjective
[UK: ˈstɪ.dʒɪən] [US: ˈstɪ.dʒɪən]