Sudden | Mean of sudden in English Dictionary

/ˈsʌdn̩/

• happening, coming, or done very quickly in a way that is usually not expected
1. a sudden change/rise in temperature
2. Sudden fame/success can be difficult to deal with.
3. She had a sudden urge to be outside.
4. His death was very sudden.
5. a sudden turn in the road
6. I was surprised by her sudden decision to quit.
7. The director's sudden departure leaves the organization's future uncertain.