Webster's Revised Unabridged Dictionary · 1913

Ultimate

Ultimate , adjective

[Late Latin ultimatus last, extreme, from Latin ultimare to come to an end, from ultimus the farthest, last, superl. from the same source as ulterior. See Ulterior, and compare Ultimatum.]

1.
Farthest; most remote in space or time; extreme; last; final.
My harbor, and my ultimate repose. — Milton
Many actions apt to procure fame are not conductive to this our ultimate happiness. — Addison
2.
Last in a train of progression or consequences; tended toward by all that precedes; arrived at, as the last result; final.
Those ultimate truths and those universal laws of thought which we can not rationally contradict. — Coleridge
3.
Incapable of further analysis; incapable of further division or separation; constituent; elemental; as, an ultimate particle; an ultimate constituent of matter.
Collocations (3)
Ultimate analysis (Chemistry) , organic analysis. See under Organic.
Ultimate belief , See under Belief.
Ultimate ratio (Mathematics) , the limiting value of a ratio, or that toward which a series tends, and which it does not pass.

Ultimate , verb, transitive and intransitive

1.
To come or bring to an end or issue; to eventuate; to end. [Rare]
2.
To come or bring into use or practice. [Rare]