infernally
1. [ adverb ] (intensive) extremely
Synonyms: hellishly
Examples:

"infernally clever" "hellishly dangerous"

Related terms: intensifier infernal infernal
Similar spelling:   infernal
  inoperable
  inferno
  infertility
  inferior
  in_front
  inferential
  informally
  infertile
  inferiority
  inebriate
  inebriant
  in-person
  in_person
  inebriated