What is dastard?

"Dastard" is an adjective that refers to a person who is cowardly or treacherous. It is often used to describe someone who acts in a dishonorable or deceitful manner, especially in situations where they should be brave or loyal. The term can also be used as a noun to refer to such a person. The word "dastard" dates back to the 16th century and is derived from the Old French word "dastard", which means "coward". It is a strong and somewhat archaic word that is not commonly used in modern conversation.