Premium-rate is a term used to describe services or products that are charged at a higher rate than usual. It may also refer to the phone numbers used for premium-rate services. However, there are several synonyms that can be used to describe premium-rate services, such as:
- High-cost
- Chargeable
- Expensive
- Premium
- Elevated
- Costly
- Exclusive
Using these synonyms can help writers or speakers to convey the idea of a higher cost for specific services or products, without necessarily using the term "premium-rate". It can also add some variety to the language used, making the communication more engaging and interesting.