If a government deports someone, usually someone who is not a citizen of that country, it sends them out of the country because they have committed a crime or because it believes they do not have the right to be there. a government decision earlier this month to deport all illegal immigrants + deportation deportations de·por·ta·tion thousands of Albanian migrants facing deportation. to make someone leave a country and return to the country they came from, especially because they do not have a legal right to stay export deport sb from/to sth (déporter, from portare )