upbeat

If you tend to be cheerful and positive no matter what's going on, your friends probably describe you as upbeat. When your soccer coach wants to be encouraging, she gives the team an upbeat speech.

Need to cheer yourself up? Spend some time with an upbeat friend, watch an upbeat movie, or listen to some upbeat music. This informal adjective comes from the word's original musical meaning, "the beat of a bar at which the conductor's baton is in a raised position." Music writers in the 1940s used the slang phrase "on the upbeat" to mean "getting better." The "cheerful" meaning followed around 1947.

Primary Meanings of upbeat

1.
adjn
pleasantly (even unrealistically) optimistic
a contented state of being happy and healthy and prosperous
2.
n
an unaccented beat (especially the last beat of a measure)
Full Definitions of upbeat
1

adj pleasantly (even unrealistically) optimistic

Synonyms:
cheerful, pollyannaish
optimistic
expecting the best in this best of all possible worlds

n a contented state of being happy and healthy and prosperous

“the town was finally on the upbeat after our recent troubles”
Synonyms:
eudaemonia, eudaimonia, welfare, well-being, wellbeing
Antonyms:
ill-being
lack of prosperity or happiness or health
Types:
fool's paradise
an illusory state of wellbeing
health, wellness
a healthy state of wellbeing free from disease
Type of:
prosperity, successfulness
the condition of prospering; having good fortune
2

n an unaccented beat (especially the last beat of a measure)

Synonyms:
offbeat
Type of:
beat, musical rhythm, rhythm
the basic rhythmic unit in a piece of music

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