refoulementnoun [ U ]
uk/rəˈfuːl.mɒ̃//rəˈfuːl.mɒ̃/specializedthe practice of sending refugees or asylum seekers (= people trying to escape war, danger, threats, etc. in their own country) back to their country or to another country where they are likely to suffer bad treatment:
Protection from refoulement is a basic right of asylum seekers and refugees.