Word.ws English Dictionary

undecimal

undecimal adjective: based upon the number eleven.

Adjective

undecimal (not comparable)

  1. Based upon the number eleven
    Synonyms:
    undenary

Synonyms of undecimal

Questions about undecimal

What does undecimal mean?
Undecimal means based upon the number eleven.
What part of speech is undecimal?
Undecimal is an adjective.

Words near undecimal in the dictionary

  1. undeciduous
  2. undecillion
  3. undecillions
  4. undecillionth
  5. undecillionths
  6. undecimal
  7. undecimalized
  8. undecimarticulate
  9. undecimated
  10. Undecimber
  11. undecimic

Source and license

Adapted from Wiktionary: undecimal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “undecimal.” Word.ws, https://word.ws/undecimal. Based on Wiktionary, CC BY-SA 4.0.