What is the synonym for loner?

There are many synonyms for "loner," depending on the specific nuance you want to convey. Here are some options:

Neutral:

* Recluse

* Solitary

* Hermit

* Introvert

* Independent

* Self-sufficient

Negative:

* Outcast

* Misanthrope

* Alienated

* Isolated

* Withdrawn

* Unfriendly

Positive:

* Independent

* Self-reliant

* Autonomous

* Individualistic

* Private

The best synonym to use will depend on the context. For example, if you are talking about someone who enjoys spending time alone, "introvert" or "solitary" might be appropriate. If you are talking about someone who is rejected by others, "outcast" or "alienated" might be more fitting.