Synonym Nuance VS
How to say "Speculation" in Japanese
Both words can translate to "speculation", but which should you choose?
Japanese Option A
憶測
おくそく (okusoku)
N2 / CEFR Syllabus
VS
Japanese Option B
投機
とうき (tōki)
N1 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "speculation" into Japanese, you must choose carefully between 憶測 and 投機.
In Japanese, 憶測 (おくそく (okusoku)) is typically associated with "speculation, conjecture, guess (often without solid evidence)" (Syllabus Level: N2) and represents 確かな根拠がないのに、あれこれと想像して言い当てることです。しばしば否定的な文脈で使われます。.
On the other hand, 投機 (とうき (tōki)) maps to "speculation (financial), venture" (Syllabus Level: N1) and represents 価格変動を利用して短期的に利益を得ようとする行為を指し、特に株式や不動産などの金融市場で使われます。リスクが高い一方で、大きなリターンを狙うニュアンスがあります。. A literal translation of "speculation" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "憶測"
その話はただの憶測に過ぎない。
That story is nothing more than speculation.
Bilingual Context for "投機"
彼は株価の短期的な変動を利用した投機で財産を築いた。
He built his fortune through speculation, leveraging short-term stock price fluctuations.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "その話はただの ＿＿＿ に過ぎない。" (Meaning: "That story is nothing more than speculation.")
🎉 Correct Answer!
Remember: "憶測" fits here because it means "speculation, conjecture, guess (often without solid evidence)" in the context of: "That story is nothing more than speculation.". "投機" represents "speculation (financial), venture".