形容词

1. 空想的;异想天开的
If you describe an idea as fanciful, you disapprove of it because you think it comes from someone's imagination, and is therefore unrealistic or unlikely to be true.

2. 奇异的;古怪的;花哨的
If you describe the appearance of something as fanciful, you mean that it is unusual and elaborate rather than plain and simple.