Use 'exodus' to describe a large-scale departure, not for small groups or individuals. The factory's closure caused an exodus of workers from the town.
Pro Tip 2/3
Often Negative
'Exodus' often implies an escape from negative conditions such as conflict or disaster. The economic crisis led to an exodus of young professionals seeking better opportunities abroad.
Pro Tip 3/3
Historical Usage
'Exodus' can be used to refer to historical mass migrations, often studied in history lessons. The Great Plains experienced an exodus during the Dust Bowl of the 1930s.