- Again do duty with restraint - Armed forces not on active duty who can be called in an emergency - Auxiliary - Backup - Backup (troops) - Book - Book player on the bench
- Booked - Booked a place that’s quiet in nature - Held - Unemotional - of Reserve - Kept for future or special use, or for an exigency; as,
reserved troops; a reserved seat in a theater. - Restrained from freedom in words or actions; backward, or
cautious, in communicating one's thoughts and feelings; not free or
frank.