Antonyms of adj upstream

1 sense of upstream

Sense 1
upstream (vs. downstream) -- (in the direction against a stream's current)

downstream (vs. upstream) -- (in the direction of a stream's current)

Similarity of adj upstream

1 sense of upstream

Sense 1
upstream (vs. downstream) -- (in the direction against a stream's current)

Antonyms of adv upstream

1 sense of upstream

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

Synonyms of adv upstream

1 sense of upstream

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