This is the 9802nd most frequent French word.
exorbitant
Unreasonably high or excessive.
The word 'exorbitant' is being used as an adjective to emphasize the unusually high price of the watch.
Le prix de cette montre est exorbitant.
The price of this watch is exorbitant.
Here, 'exorbitant' serves as an adjective to highlight how the rent is disproportionally high compared to the size of the house.
Pour une si petite maison, le loyer est vraiment exorbitant.
For such a small house, the rent is truly exorbitant.
In this case, the term 'exorbitant' is applied to qualify the excessive or unreasonably steep amount charged for a service.