The term "cut rate" typically refers to something that is cheap or of low quality. However, its antonyms would be words that describe something of high quality or luxury, such as premium, upscale, top-notch, deluxe or high-end. These words imply that the product or service is of high value and comes at a higher price point. Other antonyms for "cut rate" might include exclusive, refined, sophisticated, or high-quality. It is important to consider these antonyms when searching for goods or services of a higher standard, as they can help you to identify those options that are worth paying a premium price for.