Available Definitions:
1) a. - Farthest; most remote in space or time; extreme; last; final.
2) a. - Last in a train of progression or consequences; tended toward by all that precedes; arrived at, as the last result; final.
3) a. - Incapable of further analysis; incapable of further division or separation; constituent; elemental; as, an ultimate constituent of matter.
4) v. t. & i. - To come or bring to an end; to eventuate; to end.
5) v. t. & i. - To come or bring into use or practice.