Upstream

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
U/S
Pronunciation
/ˈəpˈstrim/
Category
Governmental
Related Field
NASA

Examples in Context

  1. The water rose high enough for them to continue upstream.
  2. Cities upstream use the river to get rid of sewage
  3. He lives about 60 miles upstream from Oahe, near Gettysburg, South Dakota.
  4. A barrage would halt the flow upstream and lift the water level.
  5. The barriers are lethal to fish trying to swim upstream.

Other meanings of U/S