The difference between solitude and loneliness

Both means that a person is alone. However, loneliness is a negative state. The person is alone but doesn’t like to be alone that’s why the person feel lonely.

In the other hand,

Solitude is a positive state. The person is alone and enjoy being alone.

Thing to note:

You can be surrounded by family and friends, and still feel lonely. This is because it’s a state of mind.