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Quadruple VS

Synonym Boundary: "気概", "強固", "強烈", "強靭"

All represent the core concept "strong", but require precise selection.

Japanese Option A

気概

きがい (kigai)
N2 / CEFR
Japanese Option B

強固

きょうこ (kyouko)
N2 / CEFR
Japanese Option C

強烈

きょうれつ (kyōretsu)
N2 / CEFR
Japanese Option D

強靭

きょうじん (kyōjin)
N1 / CEFR

Quadruple VS Nuance Contrast & Social Differences

When expressing "strong" in Japanese, you must carefully distinguish between "気概", "強固", "強烈", "強靭" based on context.
  • 気概 (きがい (kigai) - Level: N2): Maps to "strong spirit, backbone, determination, guts" and is used when Implies a strong, positive will, determination, or resolve to face challenges, take on difficult tasks, or not give up. Often used to praise someone's character..
  • 強固 (きょうこ (kyouko) - Level: N2): Maps to "strong, firm, solid, robust" and is used when Used to describe physical structures, systems, or relationships that are durable, resistant, and difficult to break. Emphasizes stability and robustness..
  • 強烈 (きょうれつ (kyōretsu) - Level: N2): Maps to "strong, intense, fierce" and is used when Refers to something very powerful, impactful, or severe, often in a sensory.
  • 強靭 (きょうじん (kyōjin) - Level: N1): Maps to "strong, robust, resilient, tough" and is used when Describes something physically or mentally strong, durable, and resilient to external forces or difficulties. 物理的、精神的に強く、困難や外部からの力に耐えうるしなやかで丈夫なさまを表します。.
Mixing these up can easily lead to unnatural translations. Refer to the bilingual context cards below to master the boundaries!
Context for "気概"
彼は困難にも屈しない気概を持っている。
He has the determination not to yield to difficulties.
Context for "強固"
その建物は地震にも耐えられる強固な構造をしている。
That building has a strong structure that can withstand earthquakes.
Context for "強烈"
彼は強烈な個性を持っている。
He has a strong personality.
Context for "強靭"
彼の精神は、いかなる困難にも屈しない強靭さを持っている。
His spirit possesses a resilience that will not yield to any difficulty.

Synonym Mastery Challenge

Which Japanese word perfectly fits this blank space?

Fill in the blank: "彼は困難にも屈しない ___ を持っている。" (Meaning: "He has the determination not to yield to difficulties.")
🎉 Correct Answer!

Remember: "気概" is correct here because it represents "strong spirit, backbone, determination, guts" in the context: "He has the determination not to yield to difficulties.".

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