Korean Dictionary

How to say "Pentagon" in Korean

Pentagon” in Korean is 오각형 (pronounced "Ogakhyeong").

오각형

Ogakhyeong

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Usage & Context

Ogakhyeong is the Korean word for pentagon. Pentagons are used in Korean geometric designs and patterns. They represent balance and harmony.

Example Sentence

오각형 모양의 별이 있어요.

There is a pentagon-shaped star.

How to use 오각형 naturally

Quick answer

The Korean word for “Pentagon” is 오각형, romanized as Ogakhyeong.

Usage tip

Learn this word together with a complete Korean sentence. Meaning often depends on particles, politeness level, and word order.

Common mistake

Do not rely only on the English meaning. Read the Korean example sentence and notice the particles, word order, and politeness level around 오각형.

Pronunciation Guide

오 (o) sounds like 'oh' in 'go'. 각 (gak) is like 'gack' but with an unreleased 'k' sound at the end. 형 (hyeong) sounds like 'hyung' in 'hyung-je'. The 'g' in '각' is unreleased, making it 'o-gak-hyeong'.

More Example Sentences

Talking about famous architecture.

미국 국방부 건물은 오각형 모양이에요.

The US Department of Defense building is pentagon-shaped.

Observing children playing.

아이들이 오각형 블록으로 탑을 쌓고 있어요.

Children are building a tower with pentagon blocks.

Discussing the shape of an object.

이 별은 오각형이 아니라 육각형처럼 보이네요.

This star looks more like a hexagon than a pentagon.

Cultural Context

Geometric shapes like 오각형 (ogakhyeong) are fundamental in Korean traditional patterns (단청, dancheong) found in temples and palaces. While not as symbolically rich as some other shapes (like the circle or square), the pentagon, along with other polygons, contributes to the intricate and balanced aesthetics of traditional Korean art and architecture. It's primarily a descriptive term for a shape rather than carrying deep philosophical meaning on its own in everyday use.

Editorial note

We review entries like 오각형 for pronunciation, example sentence fit, and learner mistakes so the page answers more than a direct dictionary lookup.

Reviewed by Min-jung Park, Korean Language Teacher. Updated May 31, 2026. See our editorial standards.

Common Phrases

오각형 모양

Pentagon shape.

오각형 별

Pentagon star.

오각형으로 이루어진

Composed of pentagons.

Related Expressions

삼각형

samgakhyeong

Triangle

사각형

sagakhyeong

Square/Rectangle

육각형

yugakhyeong

Hexagon

도형

dohyeong

Geometric shape

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