a.

1. 可能的
   I'll do everything possible to help you.

   我将尽一切可能帮助你。

   Is such a thing possible?

   这种事可能吗？

2. 有可能的[F][+that]
   It's possible that he will not accept the invitation.

   他有可能不接受邀请。

3. 合理的，可允许的
4. 合适的，尚可的
   He is the only possible man for this position.

   他是唯一适合担任此职的人。

n.

1. 可能（性）；可能的事[the S]
2. 合适的人（或事）[C]
   She sounds like a possible.

   她听上去像是个合适的人选。

3. 最高分

adj.

1. capable of existing, happening, or being achieved.
2. that may exist or happen, but that is not certain or probable.
   ▸potential:

   a possible future customer.

n.

1. a possible candidate for a job or member of a team.
2. (the possible) that which is likely or achievable.
3. the highest possible score, especially in a shooting competition.