"meaningful" 是表示 "有意义的" 的形容词。
来源：meaningful 来自英文动词 "mean"，意思是 "表达/表示"，后缀 -ful 则表示 "充满"。
例句：
The conversation was meaningful. (这次谈话很有意义。)
He gave me a meaningful look. (他给了我一个有意义的眼神。)
It's important to have meaningful relationships in pfe. (有意义的人际关系在生活中很重要。)