Last Updated
：2025/11/20
upstream
IPA(Pronunciation)
Adjective
metaphoric
Japanese Meaning
水流や川の流れに逆らう方向、すなわち上流側の位置や方向を指す。 / 石油業界において、採掘・探査および前生産の過程を示し、精製や販売ではない工程に関連する。
Sense（1）
Sense（4）
（ comparative ）
（ comparative ）
（ superlative ）
（ superlative ）
Quizzes for review
In a direction against the flow of a current or stream of fluid (typically water); upriver. / (oil industry) Involving exploration and pre-production rather than refining and selling.
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upstream
The upstream village alerted neighbors when the river began to rise.
See correct answer
The upstream village alerted neighbors when the river began to rise.
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