- beyond which it is impossible to go; farthest; most remote or distant
- by which a process or series comes to an end; final; conclusive
- beyond which further analysis, division, etc. cannot be made; elemental; fundamental; primary
- greatest or highest possible; maximum; utmost
LL ultimatus, pp. of ultimare, to come to an end < L ultimus: see ultima
something ultimate; final point or result, fundamental principle, etc.