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Synonym Nuance VS

How to say "Conjecture" in Japanese

Both words can translate to "conjecture", but which should you choose?

Japanese Option A

推測

すいそく (suisoku)
N3 / CEFR Syllabus
VS
Japanese Option B

忖度

そんたく (sontaku)
N1 / CEFR Syllabus

Nuance Contrast & Translation Difference

When translating "conjecture" into Japanese, you must choose carefully between 推測 and 忖度. In Japanese, 推測 (すいそく (suisoku)) is typically associated with "conjecture; guess; speculation" (Syllabus Level: N3) and represents Refers to making a logical guess or conjecture based on evidence or situations. Can be used with する as a verb. On the other hand, 忖度 (そんたく (sontaku)) maps to "conjecture; surmise; guessing someone's thoughts/feelings (and acting accordingly)" (Syllabus Level: N1) and represents Often used when anticipating unspoken wishes or intentions and acting to fulfill them, sometimes without being asked. Can have a slightly negative connotation of excessive deference.. A literal translation of "conjecture" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "推測"
限られたデータから、来月の市場の動向を推測しました。
From the limited data, I speculated the market trends for next month.
Bilingual Context for "忖度"
上司の意向を忖度して、企画書を作成した。
I anticipated my boss's intentions and prepared the proposal accordingly.

Nuance Mastery Quiz

Which Japanese word perfectly fits this blank space?

Fill in the blank: "限られたデータから、来月の市場の動向を ___ しました。" (Meaning: "From the limited data, I speculated the market trends for next month.")
🎉 Correct Answer!

Remember: "推測" fits here because it means "conjecture; guess; speculation" in the context of: "From the limited data, I speculated the market trends for next month.". "忖度" represents "conjecture; surmise; guessing someone's thoughts/feelings (and acting accordingly)".

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