Chika refers to any space or structure located below the ground level.
Word in 30 Seconds
- Refers to the space beneath the ground surface.
- Commonly used for basements in buildings.
- Often used in urban contexts like subways and malls.
概要
「地下（ちか）」は、地表より下の部分を指す言葉です。物理的な位置関係を表すだけでなく、都市のインフラや建物の構造を説明する際によく使われます。2) 使用パターン: 場所を表す名詞として、「地下に～がある」「地下へ行く」のように使います。また、ビルの階数を表す際、「地下1階」のように数字と組み合わせて頻繁に使用されます。3) 一般的な文脈: 都市部では、地下鉄、地下街、地下駐車場など、限られた土地を有効活用するための施設として「地下」という言葉が日常的に登場します。4) 類語との比較: 「地底（ちてい）」はより深く、自然の地層や地殻を指す際に使われ、日常的な「地下」とはニュアンスが異なります。「床下（ゆかした）」は、建物の床と地面の間の狭い空間を指すため、人間が歩けるような広いスペースを指す「地下」とは区別されます。
Examples
地下鉄で会社へ行く。
everydayI go to work by subway.
このビルには地下駐車場がございます。
formalThis building has an underground parking lot.
地下に秘密基地を作った。
informalI built a secret base underground.
地下資源の調査を行う。
academicConducting a survey of underground resources.
Common Collocations
Common Phrases
地下1階
First basement floor (B1)
地下に潜る
To go underground (hide/evade)
Often Confused With
Refers specifically to the small gap between the floor of a house and the ground. It is not used for large spaces like subways or basements.
Grammar Patterns
How to Use It
Usage Notes
The word is neutral and used in both casual and formal settings. When referring to building floors, always use the 'B' prefix in writing. It is a fundamental word for navigating Japanese cities.
Common Mistakes
Learners sometimes confuse '地下' with '地上' (above ground). Remember '地' means ground and '下' means below. Ensure you don't use it for things that are merely 'inside' a building.
Tips
Use B for basement levels
In Japan, basement floors are marked as B1, B2, etc. This is very common in elevators and maps.
Do not confuse with floor levels
Remember that 1F is the ground floor, not the basement. Basement levels start from B1 downwards.
Extensive underground cities
Japanese major cities like Tokyo and Osaka have massive underground shopping malls connected to subway stations.
Word Origin
The word is derived from the kanji '地' (earth/ground) and '下' (below). It literally translates to 'below the ground'.
Cultural Context
Japan's dense urban planning relies heavily on underground space. Many train stations are integrated into massive underground complexes known as 'Chikagai'.
Memory Tip
Think of 'Chika' as 'Cheek-a' (the ground is the cheek of the earth, and you are below it). It sounds like 'check', so 'check the basement'!
Frequently Asked Questions
4 questions「地下」は地面の下全般を指す一般的な言葉です。一方、「地階」は建築用語として、地盤面より下にある階を指す際に使われます。
地下鉄は英語で「subway」や「underground」と言います。日本語では「地下」という単語を使って「地下鉄」と表現します。
「B1」と略して表記されることが一般的です。エレベーターのボタンなどでもよく見かけます。
建物の地面より下の階にある部屋のことです。収納スペースや趣味の部屋として使われることが多いです。
Test Yourself
駅の___には、広いショッピングモールがあります。
駅の下にある空間を指すため「地下」が適切です。
Score: /1
Summary
Chika refers to any space or structure located below the ground level.
- Refers to the space beneath the ground surface.
- Commonly used for basements in buildings.
- Often used in urban contexts like subways and malls.
Use B for basement levels
In Japan, basement floors are marked as B1, B2, etc. This is very common in elevators and maps.
Do not confuse with floor levels
Remember that 1F is the ground floor, not the basement. Basement levels start from B1 downwards.
Extensive underground cities
Japanese major cities like Tokyo and Osaka have massive underground shopping malls connected to subway stations.
Examples
4 of 4地下鉄で会社へ行く。
I go to work by subway.
このビルには地下駐車場がございます。
This building has an underground parking lot.
地下に秘密基地を作った。
I built a secret base underground.
地下資源の調査を行う。
Conducting a survey of underground resources.
Related Content
This Word in Other Languages
Related Vocabulary
More general words
能力
A1Nouryoku refers to the mental or physical power, skill, or capacity required to perform a specific task or function. It can describe both innate talent and skills acquired through learning and practice.
異常
A1A word used to describe something that deviates from the normal state, standard, or expected pattern. It often implies a problem, malfunction, or an extraordinary occurrence that requires attention or investigation.
～について
A2About, concerning; indicates topic.
〜について
B1About, concerning; on the subject of.
～ぐらい
A2about, approximately
ぐらい
A2About; approximately; to the extent of.
ごろ
A2About, approximately (time).
うえ
A2At a higher position than.
絶対
B1Absolutely; definitely; never.
絶対に
B1Absolutely; definitely.
