Home › Z › zillionMeaningszillion/ˈzɪljən/nounउच्चारण ज़िल्यनअनगिनत, बेहिसाब (बहुत बड़ी संख्या)Core wordnoun1[C] informala very large number that is not exactअनगिनत, बेहिसाब (बहुत बड़ी संख्या)I've got a zillion things to do today.She has told me that story zillions of times.Synonyms million billion← zilchzinc →