s. not meant or adapted for a particular purpose
s. not conducive to good moral development
a. 不适合的
[法] 不适合的, 不适当的
1. This dress is unsuitable for a formal event.
这件裙子不适合正式场合。
2. The weather is unsuitable for a picnic today.
今天的天气不适合野餐。
3. His behavior was unsuitable for a professional setting.
他的行为在职业环境中不合适。