Extremely evil or cruel.
Showing wickedness typical of a devil.
diabolic magic square
Fierce; cruel and aggressive.
Insightful; deep and succinct; incisive.
Intruding inward.
Tending to incite or inflame; incensive.
Intense and active.
Synonym of inessive
Continual or successive; unceasing.
Critical and accurate; incisive.
Included.
Durative.