Word: upbeat
Part of speech: Noun
Syllables: up
beat
Definition: An unaccented beat at the start of a musical phrase.
Morphemes:
Affix: up-
Language: en
PoS: Prefix
Meaning: Used to indicate higher position or direction, literally or figuratively.
Affix: beat
Language: en
PoS: Verb
Meaning: To indicate by beating or drumming.