1. in the direction toward which a river flows; downstream

1. located in the direction toward which a river flows

Examples

• The boat drifted downriver toward the delta.
• We paddled downriver for several miles.
• The pollution spread downriver from the factory.
• They live in a downriver town near the mouth of the river.
• The downriver communities were affected by the flood.
• Fish migrate downriver to spawn in the ocean.
• The current carried the logs downriver to the mill.