Exact historical dictionary sense
Ultimate in Webster's 1913 dictionary
The 1913 record labels ultimate as adjective. Its source-bounded etymology and selected historical definition appear below.
[LL. ultimatus last, extreme, fr. L. ultimare to come to an end, fr. ultimus the farthest, last, superl. from the same source as ulterior. See Ulterior, and cf. Ultimatum.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "ultimate" is labeled adjective. Its etymology is recorded as: "[LL. ultimatus last, extreme, fr. L. ultimare to come to an end, fr. ultimus the farthest, last, superl. from the same source as ulterior. See Ulterior, and cf. Ultimatum.]" The selected historical definition says: "Farthest; most remote in space or time; extreme; last; final."