Used attributively before nouns, indicating relation to or consisting of scum.
Definitionen
Relating to, consisting of, or covered with scum. Workers removed the scum layer from the scum pond.
Used attributively before nouns to describe something consisting of or covered with scum, or figuratively to denote something contemptible.
Definitionen
Relating to, consisting of, or covered with scum; contemptible or vile (attributive use). The janitor scrubbed away the scum stains from the tiles.