I . a.
1.
Farther, more remote, more distant.
2.
Farther on, to a greater distance or length, more in advance, farther.
3.
Additional, farther.
II . ad.
1.
Farther, more remotely, more in advance, to a greater distance ( from the starting point ), farther on.
2.
Farther, moreover, besides, ~more.