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English definition of “zillion”

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zillion

noun [C] uk   /ˈzɪl.jən/ /-i.ən/ informal us  
an extremely large, but not an exact, number: I've told you a zillion times/zillions of times not to do that.
Translations of “zillion”
in Spanish tropecientos…
in Chinese (Traditional) 無限大的數目…
in Russian миллионы, тьма-тьмущая…
in Turkish çok büyük bir sayı/rakam, sayılamayacak kadar…
in Chinese (Simplified) 无限大的数目…
in Polish milion…
(Definition of zillion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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