Antonyms of adv upriver

1 sense of upriver

Sense 1
upriver, upstream -- (toward the source or against the current)
       Antonym of downriver (Sense 1)
      => downriver, downstream -- (away from the source or with the current)

Synonyms of adv upriver

1 sense of upriver

Sense 1
upriver, upstream -- (toward the source or against the current)