- a usually unaccented beat, esp the last in a bar
- the upward gesture of a conductor's baton indicating this
- informal marked by cheerfulness or optimism
WordReference Random House Learner's Dictionary of American English © 2014
up•beat /ˈʌpˌbit/USA pronunciation n. [countable] Music and Dancean unaccented beat in music. Music and Dancethe upward stroke with which a conductor indicates such a beat.
cheerful:an upbeat report on the economy.
Collins Concise English Dictionary © HarperCollins Publishers::
upbeat /ˈʌpˌbiːt/ n
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