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WORDNET DICTIONARY

Noun jillion has 1 sense

• jillion(n = noun.quantity) billion, gazillion, million, trillion, zillion - a very large indefinite number (usually hyperbole); "there were millions of flies"
is a kind of large indefinite amount, large indefinite quantity

THESAURUS

jillion

a billion, a crore, a lakh, a million, a myriad, a nonillion, a quadrillion, a thousand, a zillion, astronomical number, billion, considerable, decillion, duodecillion, ever so many, full many, gobs, googol, googolplex, heap, heaped-up, infinitude, infinity, large number, loads, many, million, multifarious, multifold, multiple, multitudinal, multitudinous, myriad, no few, nonillion, not a few, novemdecillion, numerous, octillion, octodecillion, oodles, quadrillion, quantities, quattuordecillion, quindecillion, quintillion, quite some, septillion, sexdecillion, sextillion, slew, thousand, tredecillion, trillion, undecillion, very many, vigintillion, zillion

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