downbeatPronunciation: /ˈdaʊnbiːt/Translate downbeat | into French | into Italian Definition of downbeat adjective 1pessimistic or gloomy:the assessment of the UK’s economic prospects is downbeat 2relaxed and understated:he responds to her enthusiasm with downbeat bemusement noun Music an accented beat, usually the first of the bar. downbeat in other Oxford dictionaries Definition of downbeat in the US English dictionary