General Verbs:
* Isolate: This implies a deliberate choice to separate oneself from others.
* Withdraw: This suggests a retreat from social interaction, perhaps due to shyness or discomfort.
* Seclude: This emphasizes a desire for solitude and privacy.
* Live in solitude: This directly describes a lifestyle of living alone.
More Specific Verbs:
* Embrace solitude: This conveys a positive view of being alone.
* Shun company: This suggests an aversion to being around others.
* Keep to oneself: This implies a preference for solitary activities.
The best verb to use will depend on the specific situation and the nuance you want to convey. For example, "She isolates herself from her family" suggests a deliberate act of separation, while "He withdraws into his shell when he's stressed" implies a more passive response.
Ultimately, you can also use descriptive phrases like "spending time alone" or "preferring to be by oneself" to convey the meaning of being a loner.