infernal

1 ENTRIES FOUND:
infernal /ɪnˈfɚnl̟/ adjective
infernal
/ɪnˈfɚnl̟/
adjective
Britannica Dictionary definition of INFERNAL
always used before a noun
1 
literary : of or relating to hell
2 
informal + old-fashioned : very bad or unpleasant

— infernally

/ɪnˈfɚnl̟i/ adverb