This is the 8076th most frequent Japanese word.
定額
Fixed amount.
The word '定額' (teigaku) in this sentence means 'fixed amount,' referring to a regular payment, such as a subscription or monthly fee.
毎月の定額料金を支払っています。
I pay a fixed amount every month.
Here, '定額' (teigaku) is used in the term '定額制' (teigakusei), which refers to a system where a fixed charge applies regardless of usage, highlighting its application in pricing models.
定額制のサービスは便利です。
A flat-rate service is convenient.
The word '定額' (teigaku) signifies 'fixed rate,' indicating the type of pricing being sought in a plan or service.