Yes, freer is a Scrabble word!

Adjective

1. Able to act at will; not hampered; not under compulsion or restraint

2. Unconstrained or not chemically bound in a molecule or not fixed and capable of relatively unrestricted motion

3. Costing nothing

4. Not occupied or in use

5. Not fixed in position

6. Not held in servitude

7. Not taken up by scheduled activities

8. Completely wanting or lacking

9. Not literal