This is the 480th most frequent German word.
zusätzlich
"Zusätzlich" means "additional" or "extra" in English.
used to describe something that is added to increase or enhance, showing it as an adjective.
Das zusätzliche Fenster bringt mehr Licht in den Raum.
The additional window brings more light into the room.
expresses an addition to something already mentioned, showing its role as an additive term.
Zusätzlich zu seinen Aufgaben im Büro übernimmt er auch Projekte zu Hause.
In addition to his office duties, he also takes on projects at home.
illustrates an adverbial use, providing extra information about an action or decision.