Positioned in front of (all) others in space, most forward.
Coming before (all) others in time.
Closest to the bow.
Of the highest rank or position; of the greatest importance; of the highest priority.
In front, prominently forward.
First in time.
Most importantly.
Projecting outwards.
Exceptionally good; distinguished from others by its superiority.
Prominent or noticeable; standing out from others.
Unresolved; not settled or finished.
Owed as a debt.