Word: upstream
Part of speech: Adverb
Syllables: up
stream
Definition: Against the current.
Morphemes:
Affix: up-
Language: en
PoS: Prefix
Meaning: Used to indicate higher position or direction, literally or figuratively.
Affix: stream
Language: en
PoS: Verb
Meaning: To flow in a continuous or steady manner, like a liquid.