Something broken off or removed to be discarded, especially plant trimmings.
Dross is defined as worthless waste matter.
Dregs are defined as the most worthless and most undesirable of all items, or the remnants that settle to the bottom of liquid in a container.
A colloidal dispersion of a gas in a liquid or solid medium, such as shaving cream, foam rubber, or a substance used to fight fires. A foam may be produced, especially on the surface of a liquid, by agitation or by a chemical reaction, such as fermentation.
At one time, algae were thought to be plants, but are not because they lack roots, stems and leaves.
A slurry containing very fine particulate matter.
The definition of cleanliness means the state of being free from dirt or unwanted matter.
The basest or least desirable portion:
A tumultuous crowd; a mob.
The lowest social class; the rabble.
Foaming saliva caused by disease or great excitement
The remainder of something after removal of parts or a part.
Find another word for scum. In this page you can discover 33 synonyms, antonyms, idiomatic expressions, and related words for scum, like: trash, recrement, scumbag, lowlife, dross, dregs, foam, algae, refuse, slime and snake.