upstream (adj.)

  1. in the direction against a stream's current

    upstream (adv.)

  1. toward the source or against the current

    [ Syn: upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver , upriver ]

The dictionary is based on the WordNet Electronic Lexical Database.
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