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ENGLISH · A WORD WITH POSSIBILITIES

undecillion.

10³⁶.

11 characters4 syllables approx.English language

Meaning & usage

num/ˌʌndəˈsɪl.i.ən/
  1. 10³⁶.

    US
  2. 10⁶⁶.

Where this word comes from

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

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.