upstream
/ʌpˈstɹiːm/ adjective, adverb, verb, noun
Forms further upstream farther upstream furthest upstream farthest upstream upstreams upstreaming upstreamed
- adjective In a direction against the flow of a current or stream of fluid (typically water); upriver.
- adjective (figurative) Occurring earlier than something else; (also, usually, especially) being an influence on something else; causing a consequence for something else. “Input entry is upstream of input validation in the runtime process.”
- adjective (oil industry) Involving exploration and pre-production rather than refining and selling.
- adjective (computer networking) In the direction from the client to the server.
- adjective (software) Maintained, owned, or associated with the original developers of the given software; in contrast to a modified version downstream. “The outage was caused by an upstream error in a payments library.”
- adjective (biology) Towards the leading end (5′ end) of a DNA molecule.
- adverb Against the current.
- verb (intransitive) To stream upward.
- verb (transitive, open-source software) To have (a software library, patch, etc.) accepted by the original developers of the related software, so that they maintain and distribute it. “I'd be more than happy to upstream your patch.”
- noun Part of the river towards the upstream direction.
- noun (open-source software) The original developers or maintainers of software.
Synonyms
Antonyms
Etymology
From up- + stream.
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “upstream”, CC BY-SA 4.0. Details