This is the 1330th most frequent Dutch word.
onbekende
"Onbekende" means "unknown" or "stranger" in English.
Here, 'onbekende' refers to someone who is not known or unfamiliar, using it as an adjective preceding a noun.
De onbekende persoon liep snel weg.
The unknown person walked away quickly.
In this case, 'onbekende' describes the situation being unfamiliar or new, demonstrating its adjectival use.
Er was sprake van een onbekende situatie in het gebouw.
There was an unfamiliar situation in the building.
Here, 'onbekende' is used as a noun, referring specifically to a person whose identity is not known.