shake up

/ˈʃeɪk ʌp/
noun
  1. A major change in the structure or personnel of an organization, intended to make it more effective.
    • The company announced a major shake-up in its executive team.
    • After the election, there was a shake-up in the cabinet.
    • The school board is planning a shake-up of the curriculum.
Synonyms
Antonyms
What does "shake up" mean? | whatsthatwordmean | whatsthatwordmean