Upstream — synonyms, upstream antonyms, definition

1. upstream (Adjective)

1 antonym
downstream
2 definitions

upstream (Adjective) — In the direction against a stream's current.

upstream (Adjective) — In the direction towards the source of a signal; at a higher level. ex. "The messages are transmitted to dendrites by upstream neurons via synapses"

2. upstream (Adverb)

1 synonym
upriver
1 antonym
downstream
1 definition

upstream (Adverb) — Toward the source or against the current. ex. "went upstream to look at a sure-enough fish wheel"