0 a new arrangement of something, esp. people's jobs, that is intended to be an improvement:
1 a difficult period in which a company, industry, etc. is forced to change in order to be more successful:
More broadly, we have set in motion the biggest shakeup in the youth justice system in a generation.
Does he not think that it might be as well to let local authorities get over this shakeup before they are saddled with another burden of reorganisation?
Top 40 was a radio format in decline, and the scene was ripe for a shakeup on the radio dial.
Commentators after the major shakeup in 2011 stressed the theme of a major realignment.
This led to their dismissal from the club, and prompted a shakeup in staffing.
The coaching shakeup led to an influx of new safeties, which resulted in greater competition for a roster spot.
In 2000, a spat among organizers and a shakeup in the organizing committee made local headlines.
The 1960s and 1970s saw a shakeup in the vibraphone market.