Most importantly.
In front, prominently forward.
First in time.
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.
extensively
away from or to one side of a given goal
completely
So as to leave or have a great space between the sides; so as to form a large opening.
Of or supporting a greater range of text characters than can fit into the traditional 8-bit representation.
Antagonistic, provocative.
Operating at the side of the playing area.
Large in scope.
Having a large physical extent from side to side.
On one side or the other of the mark; too far sideways from the mark, the wicket, the batsman, etc.
A ball that passes so far from the batsman that the umpire deems it unplayable; the arm signal used by an umpire to signal a wide; the extra run added to the batting side's score