Definition

To develop a layer of dirt or film on a surface, often seen in liquids.

Example

The pond began to scum over after a few days of warm weather.

Tense Forms

Conversation

Have you seen the pond lately?

Yeah, it looks like it has started to scum over again.

I can't believe how quickly it gets dirty.

I know, it really needs some cleaning.

Synonyms & Antonyms

Definition

A layer of dirty or unwanted material that forms on the surface of a liquid, or a term used to describe people or things that are considered worthless or despicable.

Example

The pond was covered in a thick layer of scum, making it look uninviting.

Conversation

Did you see that movie we talked about last week?

Yeah, it was good, but the main character was such a scum bag!

I know, right? It was hard to root for someone so despicable.

Definition

To remove a layer of dirt or unwanted material that forms on the surface of a liquid.

Example

The workers had to scum the pond to keep it clean.

Tense Forms

Conversation

Hey, did you remember to scum the pot before cooking?

Oh no, I forgot! I always do that to keep it clean.

Yeah, it really makes a difference in the taste.

Root Explanation

The word 'scum' originates from Old English 'scuma', meaning a layer of dirt or filth. It refers to a layer of unwanted material that forms on the surface of a liquid.

Memory Tip

Think of a layer of dirt or filth that forms on top of something — that's what 'scum' refers to.

Visually Confused Words