Related Clues:
- Not previously engaged
- Like the Reader
- Vacationing off base
- Sans charge
- Like the center space in bingo
- Word in the center of a bingo card
- Vacationing, in a way
- No longer tied up
- Temporarily not working
- Vacationing from the base
- Word in an advertisement come-on
- Unoccupied, as a theater seat
- Liberated
- Away from a teaching post
- Legally out