upbeat
US /ˈʌp.biːt/
UK /ˈʌp.biːt/
1.
cheerful; optimistic
:
•
Despite the challenges, she maintained an upbeat attitude.
•
The news report ended on an upbeat note.
1.
an unaccented beat, especially one preceding an accented beat
:
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The conductor emphasized the upbeat before the main downbeat.
•
Many pop songs start on an upbeat.