<s>Human: 给定一个英语单词，生成它的同义词和反义词。
beautiful
</s><s>Assistant: **同义词：**

1. attractive
2. pretty
3. lovely
4. gorgeous
5. stunning

**反义词：**

1. ugly
2. unattractive
3. repulsive
4. hideous
5. unsightly
</s>