infernal

/ɪnˈfɜrnəl/
adjective
  1. Relating to hell or the underworld.
    • The painting depicted an infernal landscape of fire and darkness.
    • The ancient myths described infernal regions where souls were punished.
    • In Dante's poem, the infernal circles of hell are vividly described.
  2. Extremely annoying or unpleasant; used for emphasis.
    • That infernal noise from the construction site kept me awake all night.
    • Stop that infernal tapping on the table!
    • I can't get this infernal machine to work properly.
Antonyms