Fukasa refers to the vertical distance of an object or the degree of intensity in abstract concepts.
Word in 30 Seconds
- Measures distance from top to bottom.
- Describes the intensity or quality of emotions.
- Used for both physical and abstract depth.
Overview
- 1概要：『深さ』は、空間的な距離（縦の長さ）と、抽象的な概念（程度や質）の両方を表す名詞です。形容詞「深い」の名詞形で、対象がどの程度奥まっているか、あるいはどれほど重大であるかを客観的、主観的に評価する際に用いられます。2) 使用パターン：物理的な空間に対しては「プールの深さ」「川の深さ」のように、測量可能な数値を伴うことが多いです。一方、抽象的な文脈では「理解の深さ」「愛情の深さ」「議論の深さ」といった形で、中身の濃さや重要性を強調します。3) 一般的な文脈：日常生活では、海や穴の深さといった物理的な測定値として、またビジネスや学術の場では、分析の精度や思考の質を評価する言葉として頻繁に使われます。4) 類似語の比較：「深さ」は物理的な距離がベースですが、「奥深さ」は単なる距離ではなく、複雑さや味わい、神秘的な性質を指すニュアンスが強くなります。「深度」はより専門的・学術的な文脈（地質学、航空、ITなど）で使われる硬い表現です。
Examples
この川の深さを測る。
everydayMeasure the depth of this river.
彼の知識の深さに驚いた。
formalI was surprised by the depth of his knowledge.
Common Collocations
Common Phrases
深さを知る
to know the depth
深さが増す
the depth increases
Often Confused With
Shindo is a more technical term used in scientific or professional contexts. It is less common in casual conversation.
Grammar Patterns
How to Use It
Usage Notes
Fukasa is a neutral noun used in both casual and formal settings. It is the standard way to describe vertical distance. When used for abstract concepts, it adds a nuance of intellectual or emotional gravity.
Common Mistakes
Learners sometimes use 'nagasa' (length) for depth. Remember that 'fukasa' is specifically for top-to-bottom distance. Also, avoid using 'shindo' in casual conversation as it sounds too clinical.
Tips
Use for both physical and abstract
Remember that 'fukasa' works exactly like 'depth' in English. It covers both how deep a pool is and how deep your thoughts are.
Do not confuse with length
While 'fukasa' is a length, it specifically refers to vertical distance downward. Use 'nagasa' for general length.
Appreciating depth in Japanese culture
Japanese culture often values 'depth' (fukami) in arts like tea ceremony or literature. It implies hidden layers of meaning.
Word Origin
Derived from the adjective 'fukai' (deep). The suffix '-sa' is added to turn the adjective into a noun representing the degree or quality.
Cultural Context
In Japan, the concept of 'depth' is often associated with maturity and wisdom. A person with 'depth' is highly respected.
Memory Tip
Think of a deep 'Fuka' (a hole) to remember 'Fukasa'. The deeper the hole, the more 'Fukasa' it has.
Frequently Asked Questions
4 questions「深さ」は日常会話から専門的な内容まで幅広く使われます。「深度」はより硬い表現で、科学技術や学術的なデータ、あるいは戦略的な文脈で用いられることが多いです。
はい、使えます。「悲しみの深さ」や「感謝の深さ」のように、感情がどれほど強いか、あるいはどれほど真剣かを表現する際に非常に自然な言い回しです。
物理的な距離の反対は「浅さ」です。抽象的な意味でも「知識が浅い」のように対比として使われます。
「深さを測る」や「深さを知る」といった動詞が一般的です。物理的な場合は「計る」も使われます。
Test Yourself
このプールの___は2メートルです。
プールの底までの距離なので「深さ」が適切です。
Score: /1
Summary
Fukasa refers to the vertical distance of an object or the degree of intensity in abstract concepts.
- Measures distance from top to bottom.
- Describes the intensity or quality of emotions.
- Used for both physical and abstract depth.
Use for both physical and abstract
Remember that 'fukasa' works exactly like 'depth' in English. It covers both how deep a pool is and how deep your thoughts are.
Do not confuse with length
While 'fukasa' is a length, it specifically refers to vertical distance downward. Use 'nagasa' for general length.
Appreciating depth in Japanese culture
Japanese culture often values 'depth' (fukami) in arts like tea ceremony or literature. It implies hidden layers of meaning.
Examples
2 of 2この川の深さを測る。
Measure the depth of this river.
彼の知識の深さに驚いた。
I was surprised by the depth of his knowledge.
Related Content
This Word in Other Languages
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異常
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～について
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〜について
B1About, concerning; on the subject of.
～ぐらい
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ぐらい
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ごろ
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うえ
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絶対
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絶対に
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