Main entry: scummy
Definition: covered with scum
Usage: the scummy surface of the polluted pond
Main entry: abject, scummy, scurvy, low, low-down, miserable
Definition: of the most contemptible kind
Usage: abject cowardice; a low stunt to pull; a low-down sneak; his miserable treatment of his family; You miserable skunk!; a scummy rabble; a scurvy trick