1.
If you describe someone as ~, you mean that they have no responsibilities or commitments, and are therefore free to do what they want and go where they want.
People that are single tend to be more ~.
ADJ
2.
If you describe someone as ~ and fancy-free, you mean that they are not married or in a similar relationship, and you therefore consider them to have very few responsibilities or commitments.
PHRASE: usu v-link PHR