Umptillion

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    An extremely large, unspecified number. excessive, slang

    "The cosmos is stranger than I can know: full of change, full of beauty. The rich tapestry of interlocking fields and forces weaves umptillion configurations, and every one is beautiful."

Synonyms

All synonyms
bijillionbrazilliongazilliongorillionjabillionlakh

Example

More examples

"The cosmos is stranger than I can know: full of change, full of beauty. The rich tapestry of interlocking fields and forces weaves umptillion configurations, and every one is beautiful."

Etymology

From umpty + -illion.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.