Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun upbeat

2 senses of upbeat

Sense 1
wellbeing, well-being, welfare, upbeat, eudaemonia, eudaimonia -- (a contented state of being happy and healthy and prosperous; "the town was finally on the upbeat after our recent troubles")
       => prosperity, successfulness -- (the condition of prospering; having good fortune)

Sense 2
upbeat, offbeat -- (an unaccented beat (especially the last beat of a measure))
       => rhythm, beat, musical rhythm -- (the basic rhythmic unit in a piece of music; "the piece has a fast rhythm"; "the conductor set the beat")

Antonyms of adj upbeat

1 sense of upbeat

Sense 1
cheerful, pollyannaish, upbeat -- (pleasantly (even unrealistically) optimistic)

INDIRECT (VIA optimistic) -> pessimistic -- (expecting the worst possible outcome)

Similarity of adj upbeat

1 sense of upbeat

Sense 1
cheerful, pollyannaish, upbeat -- (pleasantly (even unrealistically) optimistic)
       => optimistic (vs. pessimistic) -- (expecting the best in this best of all possible worlds; "in an optimistic mood"; "optimistic plans"; "took an optimistic view")