Word.ws English Dictionary

upstream

/ʌpˈstɹiːm/

upstream adjective: in a direction against the flow of a current or stream of fluid (typically water); upriver.

Adjective

upstream (comparative further upstream or farther upstream, superlative furthest upstream or farthest upstream)

  1. In a direction against the flow of a current or stream of fluid (typically water); upriver.
  2. (figuratively) 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.
    1. (figuratively, oil industry) Involving exploration and pre-production rather than refining and selling.
    2. (figuratively) In the direction from the client to the server.
    3. (figuratively) 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.
      • You can also check the upstream and/or Debian bug trackers for open and closed bugs and the upstream revision history or newer release(s).2013, Matthew Helmke, Ubuntu Unleashed 2013 Edition: Covering 12.10 and 13.04, Pearson Education
    4. (figuratively) Towards the leading end (5′ end) of a DNA molecule.

Adverb

upstream (comparative further upstream or farther upstream, superlative furthest upstream or farthest upstream)

  1. Against the current.
    • In another moment a huge wave, like a muddy tidal bore, but almost scaldingly hot, came sweeping round the bend up-stream.1898, H.G. Wells, The War of the Worlds, London: Heinemann, page 102

Verb

upstream (third-person singular simple present upstreams, present participle upstreaming, simple past and past participle upstreamed)

  1. (intransitive) To stream upward.
  2. (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

upstream (plural upstreams)

  1. Part of the river towards the upstream direction.
    • The total depth of water at the upstream was measured by using a pointer attached to a carriage sitting on the water table walls.1957, Proceedings of the Iraqi Scientific Societies - Volumes 1-6 - Page 26
  2. (open-source software) The original developers or maintainers of software.

upstream meaning in Hindi, Tamil, Bengali and Telugu

upstream in Hindi

in a direction opposite to flow
ऊपर को ūpar ko

upstream in Tamil

ஆற்றெதிர்புறம், ஆற்றெதிர், நீரோட்டத்தின் எதிர்த்திசையில், நீரின் திசைக்கு எதிரில், நீரோட்டத்தில் மேலே உள்ள, முன்னால் வருகிற

upstream in Bengali

in a direction opposite to flow
উজানে ujane

upstream in Telugu

అప్స్ట్రీమ్
More languagesFewer languages
upstream in Malayalam
നദിയൊഴുക്കിനെതിർദിശയിലേക്ക് നീങ്ങുന്ന, ഒഴുക്കിനെതിരായ
upstream in Kannada
ಪ್ರವಾಹಕ್ಕೆ ಎದುರಾಗಿ, ನದಿಯ ಗತಿಗೆ ವಿರುದ್ಧವಾಗಿ
upstream in Gujarati
અપસ્ટ્રીમ
upstream in Assamese
উজনি uzoni
upstream in Nepali
अपस्ट्रीम, अपस्टिम, अपस्ट्रिम
upstream in Malay
hulu
upstream in Indonesian
hulu
upstream in Myanmar
ရေဆန် rehcan

Examples of upstream in a sentence

  • If the developer knows the bug is an upstream bug but does not know which bug it is in the upstream bug tracker, he can add an upstream task to the bug report.2012, Jono Bacon, The Art of Community: Building the New Age of Participation, O'Reilly Media, page 141:
  • Because a user generally does not know the pedigree of the open source, it cannot know whether an upstream developer used intellectual property belonging to a third party in developing that software.2008, Michael Dennis Scott, Scott on Outsourcing: Law and Practice, Aspen Publishers, page 198:
  • We'll walk through the steps to build FreeS/WAN using the upstream tarball.2002, Tony Mancill, Linux Routers: A Primer for Network Administrators, Prentice Hall, page 190:

All 40 example sentences with upstream

Antonyms of upstream

Forms of upstream

Adjective
comparativefurther upstream
comparativefarther upstream
superlativefurthest upstream
superlativefarthest upstream
Adverb
comparativefurther upstream
comparativefarther upstream
superlativefurthest upstream
superlativefarthest upstream
Verb
third-person singular presentupstreams
present participleupstreaming
past participleupstreamed
pastupstreamed
Noun
pluralupstreams

Origin of upstream

From up- + stream.

Words formed from upstream

Phrases with upstream

Words that rhyme with upstream

48 more rhymesFewer rhymes

Questions about upstream

What does upstream mean?
Upstream means in a direction against the flow of a current or stream of fluid (typically water); upriver.
What is upstream in Hindi?
Upstream in Hindi is ऊपर को (ūpar ko). See Upstream meaning in Hindi.
How do you use upstream in a sentence?
If the developer knows the bug is an upstream bug but does not know which bug it is in the upstream bug tracker, he can add an upstream task to the bug report.
What part of speech is upstream?
Upstream can be an adjective, an adverb, a verb or a noun.
How do you pronounce upstream?
Upstream is pronounced /ʌpˈstɹiːm/.

Words near upstream in the dictionary

  1. upstrain
  2. upstrained
  3. upstraining
  4. upstrains
  5. upstrap
  6. upstream
  7. upstream loan
  8. upstream loans
  9. upstreamed
  10. upstreamer
  11. upstreamers

Source and license

Adapted from Wiktionary: upstream (page history and authors); upstream (Tamil Wiktionary) (page history and authors); upstream (Telugu, IndicTrans2 machine translation) (model and license); upstream (Malayalam Wiktionary) (page history and authors); upstream (Kannada Wiktionary) (page history and authors); upstream (Gujarati, IndicTrans2 machine translation) (model and license); উজনি (Assamese) (page history and authors); upstream (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-upstream.wav, LL-Q1860 (eng)-Wodencafe-upstream.wav.

Cite this entry: “upstream.” Word.ws, https://word.ws/upstream. Based on Wiktionary, CC BY-SA 4.0.