Definition

This word describes something that has five sides and five angles, like a shape or figure.

Example

The architect designed a pentagonal building that stood out in the city.

Conversation

Did you see that new building downtown?

Yes, it's so unique with its pentagonal shape!

I wonder how they designed it like that.

It definitely stands out among all the other buildings.

Synonyms & Antonyms

Root Explanation

Pentagonal → It is formed from "penta-" (from Greek "pente", meaning five) and "-gonal" (from Greek "gonia", meaning angle). The word "pentagonal" refers to a shape that has five angles or sides.

Memory Tip

Think of 'five' ('penta-') angles ('-gonal') to remember that 'pentagonal' describes a shape with five angles.

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