I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: up (II) + beat
1.
a. : an unaccented beat in a musical measure ; specifically : the last beat of the measure
b. : pickup 4g
2.
a. : anacrusis 1
b. : a weak or slack element or syllable in a metrical foot : thesis
3. : an increase in activity or prosperity
find the town on the upbeat after a local recession — S.W.Taylor
II. adjective
: marked by optimism : optimistic , cheerful , happy
there is no reason why realistic drama must invariably have a downbeat ending — especially in so upbeat an era — Walter Goodman