deadly

US /ˈdɛdli/

UK /ˈdedli/

A2

adjective

  • Causing or capable of causing death
  • Being very accurate
  • Unfailing or accurate.
  • Extremely boring.
  • Extremely dangerous.
  • Causing or likely to cause death.
  • Resembling or suggestive of death.

noun

  • A mortal enemy.

adverb

  • To an extreme degree.