- a deadly enemy.
- a fatal accident.
- a lethal injection.
- a mortal illness.
- a virulent insect bite.
- deadly dull.
- deadly earnest.
- deadly poisons.
- deucedly clever.
- insanely jealous.
- lethal weapon.
- mortal combat.
- she was madly in love.
- the seven deadly sins.
- venomous snakes.