Definition of zillion in English:

zillion

Line breaks: zil|lion
Pronunciation: /ˈzɪljən
 
/

number

informal
  • An extremely large number of people or things: we had zillions of customers
    More example sentences
    • A few quick mathematical calculations will show that there's heaps, piles, zillions more places where conditions like this exist in Space than on a planet's surface.
    • There are zillions of people - not zillions, millions and millions of people in this country who know exactly what's going on.
    • ‘I'd like to be a famous rock star with a million zillions of dollars,’ she says.

Derivatives

zillionth

adjective
More example sentences
  • For the zillionth time that day, we sat and watched the screen as it fizzed black and white shapes that during the course of the last three hours had scrambled my tiny mind.
  • Word limits are bad, it feels like my essay is about a zillionth as good.
  • Corey looked down, feeling herself blush for the zillionth time.

Origin

1940s: from Z (perhaps as a symbol of an unknown quantity) + million.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody