不透明(ふとうめい)

ふとうめい
na-adjective, noun
opaque; unclear, murky
businessdescriptive
1. opaque, not transparent
Not allowing light to pass through. The physical opposite of transparent.
不透明(ふとうめい)な液体(えきたい)だ。
It's an opaque liquid.
不透明(ふとうめい)なガラスで中(なか)が見(み)えない。
You can't see inside because of the opaque glass.
白(しろ)い不透明(ふとうめい)な容器(ようき)に入(い)れて保存(ほぞん)する。
Store it in a white opaque container.
2. unclear, murky, uncertain
Lacking transparency or clarity, especially regarding the future, motives, or decision-making processes. Common in business and political contexts.
先行(せんこう)きが不透明(ふとうめい)だ。
The outlook is unclear.
経済(けいざい)の先行(せんこう)きは不透明(ふとうめい)だ。
The economic outlook is uncertain.
資金(しきん)の使(つか)い道(みち)が不透明(ふとうめい)で、説明責任(せつめいせきにん)を問(と)われている。
The use of funds is murky, and they are being called on to be accountable.

Forms

不(ふ) (not) + 透明(とうめい) (transparent). The antonym is 透明(とうめい).

Usage

Sense 2 is very common in news and business contexts. It describes situations where the future is hard to predict or where decision-making lacks openness.

Common collocations

Related Words

Antonym: 透明(とうめい)
Compare: 半透明(はんとうめい) (translucent)
general
Added 2026.2.16 10:06 · Revised 2026.9.2 13:01
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