Exodus (noun)

1. A mass departure of people, typically a large number of people leaving a country or region.
2. A large-scale migration of people, typically a group of people who leave a country or region to settle elsewhere.
3. A departure or emigration of a group of people, often for religious or political reasons.

Origin:

Late 16th century: from latin, from greek exodos "departure", from ex- "out" + hodos "way".

Examples:

1. The country experienced an exodus of young professionals.
2. The current political situation is causing an exodus of refugees.
3. The Exodus in the Bible was the departure of the Israelites from Egypt.
4. The city is facing an exodus of residents due to the high cost of living.
5. The company's employees are leaving in an exodus.