DOWNRIVER Antonyms2 antonyms for downriver. (opposite meanings)Definition of DOWNRIVER Best Opposite Words For DOWNRIVERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb WordSaveSyns..UsageTypeupriveradverb, adjectiveadv, adjadverb • toward the source or against the currentupstreamadverb, adjectiveadv, adjadjective • in the direction against a stream's currentadverb • toward the source or against the current Alternatives for UPRIVER Words (4)upstreamaboveaheadinlandOpposite words for upriver Alternatives for UPSTREAM Words (1)upriverOpposite words for upstream