zillion

Definition of Zillion in English :

a very large indefinite number (usually hyperbole)

Example Sentences:
'there were millions of flies'

2. zillion

very large indeterminate number

Example Sentences:
'a zillion people were there'

WordNet Lexical Database for English. Princeton University. 2010.

Zillion

noun plural -lions or -lion

1. (often plural)

an extremely large but unspecified number, quantity, or amount

zillions of flies in this camp

determiner

2.

a.

amounting to a zillion

a zillion different problems

b.

(as pronoun)

I found a zillion under the sink

noun

Informal

a very large, indefinite number

n.
Informal

An indefinitely large number.