ultima

U1L1T1I1M3A1
/ˈʌltɪmə/

noun

The final syllable of a word.

Less commonScrabble 8

Meanings

ultima1

nounultima (countable and uncountable, plural ultimas)

plural ultimas

  1. countablegrammarThe final syllable of a word.
  2. uncountablebusinessA third-order measure of derivative price sensitivity, expressed as the rate of change of vomma with respect to changes in the volatility of the underlying asset.

    Synonyms: DvommaDvol

Ultima2

proper noun
  1. A town in the Rural City of Swan Hill, north western Victoria, Australia

Ultima3

proper noun
  1. The larger lobe of the trans-Neptunian object Ultima Thule, a contact binary object.

    Ultima and Thule have similar colors with measured albedos ∼0.06, indicating that UT is a typical member of the Cold Classical Kuiper Belt class of objects.

    2020, Umurhan, O. M., J. T. Keane, R. A. Beyer, M. Bird, I. Linscott, S. B. Porter, J. R. Spencer et al., “Thermophysical, Gravitational, and Geomorphology Properties of 2014 MU69”, in Abstracts of the 235th AAS Meeting (Honolulu, HI), page 717
    1 more example

    For the purposes of discussion, MU₆₉’s larger and smaller lobes have been informally designated “Ultima” and “Thule,” respectively, by the New Horizons team. Ultima and Thule have best-fit measured diameters of ~19.5 and ~14.2km, respectively, with errors of only a few percent at this time.

    2019 January 24, Stern, S. A., J. R. Spencer, H. A. Weaver, C. B. Olkin, J. M. Moore, W. Grundy, R. Gladstone et al., “Overview of initial results from the reconnaissance flyby of a Kuiper Belt planetesimal: 2014 MU69”, in arXiv

Ultima4

proper noun
  1. Synonym of Baroque (“chess variant”).

    Synonyms: Baroque

Synonyms & antonyms

nounA third-order measure of derivative price sensitivity, expressed as the rate of change of vomma with respect to changes in the volatility of the underlying asset.

Similar

proper nounSynonym of Baroque (“chess variant”).

Similar

Origin

ultima · noun

From the Latin feminine of ultimus (“last”).

Full word history & related roots →

Ultima · proper noun

Clipping of Ultima Thule. Coined in January 2019 by the NASA team investigators of the New Horizons program (see quotations below).

Full word history & related roots →

Translations

Finnish ultima
  • ultimafinal syllable
German Endsilbe, Schlusssilbe
  • Endsilbefinal syllable
  • Schlusssilbefinal syllable
  • letzte Silbefinal syllable
  • Ultimafinal syllable
Greek λήγουσα
  • λήγουσα (lígousa)final syllable

Rhymes & wordplay

Anagrams

Cite this entry
APA

ultima. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ultima

MLA

“ultima.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultima. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ultima,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ultima.

Source: ultima on Wiktionary, CC BY-SA 4.0.