dastardy in a sentence

Definition

Dastardly: characterized by treachery, cowardice, or wickedness, especially in a deceitful or villainous manner.

The villain's dastardly plan was uncovered just in time to save the city.
She couldn't believe he would resort to such dastardly tactics to win the competition.
The dastardly betrayal left the entire team in shock and disbelief.
His dastardly deeds would not go unpunished, as justice was determined to prevail.
In a twist of fate, the hero discovered that his closest ally had been the mastermind behind the dastardly plot.