 Japan has been developing new kinds of fruit for almost 100 years. Superior One fruit is a superior grape called Shine Muscat that can cost $100 per bunch in Japan. But officials say China and South Korea copied the seeds of the superior grape to produce a similar fruit to sell at a lower cost. Here, superior means better, but it can also mean excellent. And it can be a noun. A work superior is someone in a higher level position than you at your place of employment.