adjective
- In the direction against a stream's current.
adverb
- Toward the source or against the current.
- synonyms: upriver
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). upstream. Retrieved September 22, 2026, from http://smartdefine.org/upstream/definitions/1187644 |
| Chicago | WordNet. 2010. "upstream" http://smartdefine.org/upstream/definitions/1187644 (accessed September 22, 2026). |
| Harvard | WordNet 2010, upstream, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/upstream/definitions/1187644>. |
| MLA | WordNet. "upstream" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/upstream/definitions/1187644> |