adjective
- extremely evil or cruel; showing the influence of the devil
- extremely clever in a wicked or harmful way
Examples
- The villain’s diabolic plan threatened the entire city.
- She gave him a diabolic smile before revealing her scheme.
- The dictator’s diabolic cruelty shocked the world.
- His diabolic intelligence made him a dangerous opponent.
- The movie featured a diabolic character who manipulated everyone.
- The diabolic plot was uncovered just in time.