abruptshift
nounUK /əˈbrʌpt ʃɪft/
US /əˈbrʌpt ʃɪft/
A sudden change that happens very quickly without warning.
The abrupt shift in the weather caught everyone by surprise.
OTHER MEANINGS
2. A quick change in direction while moving.
The car made an abrupt shift to avoid the puddle.
3. A sudden change in someone's mood or attitude.
There was an abrupt shift in his tone when he heard the news.
4. A fast change in a plan or way of doing something.
The team made an abrupt shift in strategy after the first game.