to serve
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to serve as
To perform a particular function or take on a particular role, often temporarily or in a specific context.
Der größte Raum im Haus fungierte während der Feier als Tanzfläche.
The largest room in the house served as a dance floor during the celebration.
'Fungieren' (to serve/function) is almost always used with the preposition 'als' (as). The role or function that something or someone takes on comes after it in the nominative. The sentence pattern is: subject + fungiert + als + function (nominative).
Der alte Keller fungiert jetzt als Weinkeller.
The old cellar now serves as a wine cellar.
This verb belongs to formal language. It is often found in written, official, or academic texts. It is rarely used in everyday colloquial speech.
Das Dokument fungiert als offizieller Nachweis.
The document serves as official proof.
The verb often describes that a person or object takes on a function that is not its original or only one. It emphasizes a temporary or assigned role.
Während der Renovierung fungierte das Wohnzimmer als Schlafzimmer.
During the renovation, the living room served as a bedroom.
to work
'funktionieren' and 'fungieren' both have to do with a function. 'funktionieren' is used when something works correctly or fulfills its purpose, for example a device, a plan, or a collaboration. 'fungieren' is used with 'als' when someone or something takes on a particular role. Learners may confuse the words because they look similar and are both connected to 'Funktion' (function). A practical tip: something 'funktioniert' well, but someone or something 'fungiert als' a substitute, leader, or example.
Bei der Besprechung fungiert Anna als Sprecherin des Teams.
At the meeting, Anna serves as the team's spokesperson.
Nach dem Update funktioniert der Drucker wieder ohne Probleme.
After the update, the printer works again without any problems.