undecillion

U1N1D2E1C3I1L1L1I1O1N1
/ˌʌndəˈsɪl.i.ən/

numeral

10³⁶.

Similar
10361066
Scrabble 14
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Meanings

numeralundecillion (plural undecillions)

plural undecillions

  1. USmodern British & Australian; short scale; modern British & Australian; short scale10³⁶.

    Google has racked up some 2 undecillion rubles ($2.5 decillion) worth of fines in Russia after years of refusing to restore the accounts of pro-Kremlin and state-run media outlets, the RBC news website reported Tuesday, citing an anonymous source familiar with court rulings against the tech company.

    2024 October 29, “Russia Fines Google $2.5 Decillion Over YouTube Bans – RBC”, in The Moscow Times

    Synonyms: 1036

  2. dated British & Australian; long scale; dated British & Australian; long scale10⁶⁶.

    Synonyms: 1066

Synonyms & antonyms

numeral10³⁶.

Similar
1036

numeral10⁶⁶.

Similar
1066

Origin

From Latin undecim (“eleven”) + -illion. By surface analysis, undec- + -illion.

Full word history & related roots →

Translations

Esperanto sesiliono
  • sesiliono1036 — see also sextillion
Finnish sekstiljoona, undekiljoona
  • sekstiljoona1036 — see also sextillion
  • undekiljoona1066 — see also unvigintillion
French undécillion
  • undécillion1066 — see also unvigintillion
German Sextillion, Undezillion
  • Sextillion1036 — see also sextillion
  • Undezillion1066 — see also unvigintillion
Hungarian szextillió
  • szextillió1036 — see also sextillion
Icelandic sextilljarður
  • sextilljarður1036 — see also sextillion
Japanese 澗
  • 澗 (kan)1036 — see also sextillion
Malay undesilion
  • undesilion1036 — see also sextillion
Polish sekstylion, undecylion
  • sekstylion1036 — see also sextillion
  • undecylion1066 — see also unvigintillion
Russian ундециллион
  • ундециллион (undecillion)1036 — see also sextillion

Rhymes & wordplay

Rhymes with undecillion

millionbillionBrazilianpaviliontrilliongillianzillionvermilionJillianabelianMaximilianCastiliangazillionquadrillionpillionquintillionjillioncentilliondecillionduodecillionduotrigintillionduovigintilliongilliongodzillion
All rhymes →
Cite this entry
APA

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

MLA

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

Chicago

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

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