undecagonal

un·de·ca·gon·al
U1N1D2E1C3A1G2O1N1A1L1

adjective

Having eleven sides and angles.

Similar
hendecagonal
Scrabble 15
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Meanings

adjectiveundecagonal (not comparable)
  1. not comparableHaving eleven sides and angles.
  2. not comparableOf or pertaining to an undecagon.

Synonyms & antonyms

Similar
hendecagonal
Also see
hendecagonal

Origin

From undecagon + -al.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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