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\ ˈshāk-ˌəp 
\
\Definition of shake-up
(Entry 1 of 2)
: an act or instance of shaking up specifically : an extensive and often drastic reorganization
shake up
verbshook up; shaken up; shaking up; shakes up
Definition of shake up (Entry 2 of 2)
2 : to jar by or as if by a physical shock
the collision shook up both drivers
3 : to effect an extensive and often drastic reorganization of
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More Definitions for shake-up
shake-up
nounEnglish Language Learners Definition of shake-up
: an important change or series of changes in the way a company or other organization is organized or run
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