Synonym Nuance VS
How to say "Deep" in Japanese
Both words can translate to "deep", but which should you choose?
Japanese Option A
深い
ふかい (fukai)
N4 / CEFR Syllabus
VS
Japanese Option B
猛省
もうせい (mōsei)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "deep" into Japanese, you must choose carefully between 深い and 猛省.
In Japanese, 深い (ふかい (fukai)) is typically associated with "deep, profound" (Syllabus Level: N4) and represents い-adjective. Describes significant vertical extent downward.
On the other hand, 猛省 (もうせい (mōsei)) maps to "deep reflection; serious self-criticism; extreme regret and introspection" (Syllabus Level: N3) and represents Refers to deep reflection, serious self-criticism, or extreme regret and introspection to correct one's serious mistakes. A literal translation of "deep" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "深い"
この海はとても深くて、底が見えない。
This sea is very deep; I can't see the bottom.
Bilingual Context for "猛省"
自分の油断から重大なデータ流出を招いた担当者は、自らの不注意を_______し、再発防止策の立案に当たりました。
The person in charge who caused a serious data leak due to their own negligence deeply reflected on their own carelessness and worked on drafting preventive measures.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "この海はとても深くて、底が見えない。" (Meaning: "This sea is very deep; I can't see the bottom.")
🎉 Correct Answer!
Remember: "深い" fits here because it means "deep, profound" in the context of: "This sea is very deep; I can't see the bottom.". "猛省" represents "deep reflection; serious self-criticism; extreme regret and introspection".