upswing

/AH0 P S W IH1 NG/
noun
  1. 1

    An upward swing

  2. 2

    (by extension) an upward trend or an increase in activity

    โ€œNewspapers reported an upswing in the company's sales last month.โ€

Antonyms

verb
  1. 1

    To swing upward.

Source: https://en.wiktionary.org/wiki/upswing