upstream

/ˈʌpˈstrim/
/əpˈstrim/
IPA guide

Other forms: upstreams

Definitions of upstream
  1. adverb
    toward the source or against the current
    synonyms: upriver
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    antonyms:
    downstream
    away from the source or with the current
  2. adjective
    in the direction against a stream's current
    see moresee less
    antonyms:
    downstream
    in the direction of a stream's current
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