A1 noun ニュートラル #3,657 よく出る

umi /ɯmi/

The word 'umi' refers to the sea or ocean, specifically the large body of salt water that covers much of the Earth. It is a fundamental noun in Japanese used for describing the beach, the vast blue water, and the maritime environment.

例文

3 / 5
1

夏休みに家族と海へ行きました。

I went to the sea with my family during summer vacation.

2

日本は四方を海に囲まれた島国です。

Japan is an island nation surrounded on all sides by the sea.

3

今日の海、すごくきれいだよ!

The sea today is so beautiful!

語族

名詞
形容詞
海の
関連
海水
💡

覚え方のコツ

The Kanji for sea (海) has the 'water' radical (氵) on the left. On the right, think of it as 'everyone' (每) coming to the water.

クイックテスト

夏休みに( )へ行って、泳ぎました。

正解!

正解は: a

例文

1

夏休みに家族と海へ行きました。

everyday

I went to the sea with my family during summer vacation.

2

日本は四方を海に囲まれた島国です。

formal

Japan is an island nation surrounded on all sides by the sea.

3

今日の海、すごくきれいだよ!

informal

The sea today is so beautiful!

4

海洋資源の保護は国際的な課題である。

academic

The preservation of marine resources is an international issue.

5

我が社は海上輸送を利用して商品を輸出しています。

business

Our company exports products using maritime transport.

語族

名詞
形容詞
海の
関連
海水

よく使う組み合わせ

海で泳ぐ to swim in the sea
海が見える can see the sea
広い海 a vast sea
海に潜る to dive into the sea
青い海 blue sea

よく使うフレーズ

海の幸

seafood (literally: blessings of the sea)

海の家

beach hut/shack

海を渡る

to go abroad (literally: to cross the sea)

よく混同される語

vs

Umi (sea) contains salt water and is much larger, while mizuumi (lake) is inland fresh water.

vs

Ike (pond) is a small, man-made or natural body of still fresh water.

📝

使い方のコツ

Umi is the general term for both the ocean at large and a specific beach location. It is frequently paired with directional particles like 'e' or 'ni'.

⚠️

よくある間違い

Learners sometimes confuse the Kunyomi reading 'umi' with the Onyomi reading 'kai' (used in compounds like 'kaigun' for navy). Use 'umi' when the word stands alone.

💡

覚え方のコツ

The Kanji for sea (海) has the 'water' radical (氵) on the left. On the right, think of it as 'everyone' (每) coming to the water.

📖

語源

Derived from the Old Japanese word 'umi', potentially sharing roots with the verb 'umu' (to produce/give birth), reflecting the sea as a source of life.

文法パターン

Commonly follows 'de' for location of action (海で泳ぐ). Follows 'e' or 'ni' for movement (海に行く). Functions as a simple noun with no conjugation.
🌍

文化的な背景

Japan celebrates 'Umi no Hi' (Marine Day) in July to express gratitude for the sea's bounty and its importance to the island nation.

クイックテスト

夏休みに( )へ行って、泳ぎました。

正解!

正解は: a

関連単語

協力

A1

Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.

提案

A1

A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.

輸出

A1

The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.

輸入

A1

The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.

資源

A1

Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.

保護

A1

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

観察

A1

Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.

競争

A1

Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.

拡大

A1

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

製造

A1

The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.

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