upbeat

adj, noun — 3 senses

upbeat

adj

/ʌpˈbit/

Etymology From up- + beat.

1

Having a fast pace, tempo, or beat.

The notes are easy, but it's an upbeat tune and should be played fairly quickly.

2

Having a positive, lively, or perky tone, attitude, etc.

Though he had bad news, he ended with an upbeat forecast for the future.
He sounded upbeat when I talked to him.

1 more example

But Murphy remains upbeat about the longer-term prospect of recovery and a resumption of the record growth in passenger volumes experienced in the UK in the two decades following privatisation.2022 August 24, Steve Murphy tells Paul Stephen, “Rail + property: a winning combination”, in RAIL, number 964, page 48:

Antonyms: downbeat

upbeat

noun

/ˈʌpˌbit/

Etymology From up- + beat.

1

An unaccented beat at the start of a musical phrase.

The conductor said: I give you three beats for nothing and then you come in on the upbeat.

Synonyms: unaccented beat, anticipatory note, anticipatory, unstressed note, unstressed, anacrusis, pickup

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.