Jillion Definition

jĭlyən
noun
An indefinite but very large number.
Webster's New World

Other Word Forms of Jillion

Noun

Singular:
jillion
Plural:
jillions

Origin of Jillion

  • On the model of million billion etc.

    From American Heritage Dictionary of the English Language, 5th Edition

  • See +‎ -illion

    From Wiktionary

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