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Meaning of jillion

jil•lion

Pronunciation: ( jil'yun), [key]
— Informal. Informal.
—n.
  1. an indefinitely vast number; zillion.
—adj.
  1. of or noting such a quantity: a jillion problems.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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