Definition

To become level or smooth without any bumps or raised areas.

Example

The dough will flatten as you roll it out.

Tense Forms

Conversation

Did you notice how the dough will flatten when you roll it?

Yeah, it makes it so much easier to work with.

Exactly! I love how it turns out perfectly thin.

Me too! It really makes the pizza crust better.

Synonyms & Antonyms

Definition

To make something flat or level by pressing down on it or by removing its height.

Example

She used a rolling pin to flatten the dough for the pie.

Tense Forms

Conversation

I accidentally dropped my sandwich, and it got all flattened.

Oh no! That sounds messy.

Yeah, I really need to be more careful next time.

Root Explanation

Flatten → It is formed from "flat" (from Old English *flaet*, meaning level or smooth) and "-en" (a suffix used to form verbs indicating to make or become). The word "flatten" means to make something flat or level.

Memory Tip

Think of making something 'level' ('flat') — the '-en' means to make it so. This helps you remember that 'flatten' means to make something flat.

Visually Confused Words