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upbeat definition

up·beat (up′bēt′; for adj., also up bēt′)

noun

  1. an upward trend; upswing
  2. Music
    1. an unaccented beat, esp. when on the last note of a bar
    2. the upward stroke of a conductor's hand or baton indicating such a beat

adjective

Informal lively; cheerful; optimistic

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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