UPSTREAM

upstream

(adjective) in the direction against a stream’s current

upriver, upstream

(adverb) toward the source or against the current

Source: WordNet® 3.1

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Etymology

Adjective

upstream (not comparable)

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

(oil industry) involving exploration and pre-production rather than refining and selling

(computing) in the direction from the client to the server

(open-source software) maintained, owned or associated with the original developers of the given software; in contrast to a modified version downstream

(biology) towards the leading end (5′ end) of a DNA molecule

Antonyms

• downstream

Adverb

upstream (comparative more upstream, superlative most upstream)

Against the current.

Antonyms

• downstream

Verb

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

(intransitive) To stream upward.

(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.

Noun

upstream (plural upstreams)

Part of the river towards the upstream direction.

(open-source software) The original developers or maintainers of software.

Anagrams

• tempuras

Source: Wiktionary

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Up*stream", adv.

Definition: Toward the higher part of a stream; against the current.

Source: Webster’s Unabridged Dictionary 1913 Edition

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