I need not tell you that I am infernally anxious both about the business and my friend.
This intuition, or whatever you may call it, is an infernally bad thing for you.
And yet, even as I realized this, I realized also how infernally clever the scheme was.
Her dissimulation, he was obliged to perceive, had been infernally deep.
Though courier boats make their crews so infernally sick I doubt whether the present type will ever come into common use.
Since he was so infernally independent why didn't he get to work and earn something?
He refused to use the boat these days, he said he was so infernally busy that he could not spare the time.
I feel sorry for her and that's all—deeply and infernally sorry.
No, she's up again, but she's sartin to be drownded, the infernally young fool!
He was so infernally certain that the Emperor would wipe the floor with us.
late 14c., in reference to the underworld, from Old French enfernal, infernal (12c.), from Late Latin infernalis "of the lower regions," from infernus "hell" (Ambrose), literally "the lower (world)," noun use of Latin infernus "lower, lying beneath," from infra "below" (see infra-). Meaning "devilish, hateful" is from early 15c. For the name of the place, or things which resemble it, the Italian form inferno has been used in English since 1834, from Dante. Related: Infernally.