To officially leave a country in order to travel or move to another country. The term is often used in the context of border controls, visas, or emigration.
example
Für die Reise in dieses Land benötigt man ein Visum, bevor man ausreisen darf.
For travel to this country, you need a visa before you are allowed to leave the country.
Usage tips
Separable verb
'Ausreisen' (to leave the country) is a separable verb. The prefix 'aus-' goes at the end of the sentence in a main clause. The base verb is 'reisen' (to travel).
EXAMPLE
Viele Menschen reisen im Sommer aus ihrem Heimatland aus, um Urlaub zu machen.
Many people leave their home country in the summer to go on vacation.
Perfect tense with 'sein'
Since 'ausreisen' (to leave the country) describes movement away from a place, the perfect tense is always formed with the auxiliary verb 'sein' (to be).
EXAMPLE
Sie ist letztes Jahr nach Kanada ausgereist.
She left for Canada last year.
Register and context
'Ausreisen' (to leave the country) is an official, almost bureaucratic term. It is used mainly in connection with border controls, visas, laws, and emigration.
EXAMPLE
Bürger der EU dürfen ohne spezielle Erlaubnis in andere EU-Länder ausreisen.
EU citizens may leave for other EU countries without special permission.
Historical context
The word has a special historical meaning in Germany in connection with the GDR. Citizens of the GDR often had to apply for permission in order to be allowed to leave the country legally.
EXAMPLE
Tausende DDR-Bürger stellten einen Antrag, um dauerhaft ausreisen zu können.
Thousands of GDR citizens filed an application to be able to leave the country permanently.
Compare with
near_synonym
ausreisen vs verlassen
to leave / rely
'verlassen' and 'ausreisen' both mean that someone goes or travels away from a place. 'verlassen' is very general: you can leave a room, a house, a city, a group, or even a person. 'ausreisen' is much more specific and means to officially leave a country, often involving a passport, border, visa, or authorities. If it is only about a normal place, 'verlassen' is correct. If it is about moving from one country to another, 'ausreisen' is more precise.
ausreisen
Wegen des abgelaufenen Visums musste die Familie morgen ausreisen.
Because their visa had expired, the family had to leave the country the next day.
verlassen
Du hast die Wohnung heute Morgen sehr früh verlassen.