upbeat

[ uhp-beet ]
/ ˈʌpˌbit /

noun Music.

an unaccented beat, especially immediately preceding a downbeat.
the upward stroke with which a conductor indicates such a beat.

adjective

optimistic; happy; cheerful: television dramas with predictably upbeat endings.

Origin of upbeat

1865–70; 1950–55 for def 3; up- + beat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for upbeat

British Dictionary definitions for upbeat

upbeat
/ (ˈʌpˌbiːt) /

noun

music
  1. a usually unaccented beat, esp the last in a bar
  2. the upward gesture of a conductor's baton indicating thisCompare downbeat
an upward trend (in prosperity, etc)

adjective

informal marked by cheerfulness or optimism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012