upstreamDict.lkDict.lk - Sinhala to English DictionaryMeaning upstream Tweet Sinhala Dictionary definitions for upstreamupstream 🔊 /ʌˈpstɹiˈm/upstream : උඩුගං බලාupstream : ගඟේ ඉහළ කොටසupstream definitionAdverb. Toward the higher part of a stream; against the current.Lern More AboutWiki Definition: upstreamGoogle Search result: GoogleWiki Article: Wikipedia Tweet