This is the 3520th most frequent Swedish word.
dyr
Expensive.
In this sentence, 'dyr' is used as an adjective describing the car, indicating that it is expensive.
Bilen är väldigt dyr.
The car is very expensive.
Here, 'dyrt', the neuter form of 'dyr', describes the mistake, implying it had significant consequences or costs.
Det var ett dyrt misstag.
It was a costly mistake.
In this context, 'dyr' is used metaphorically to describe emotional value or importance.