JILLION

million, billion, trillion, zillion, jillion, gazillion, bazillion

(noun) a very large indefinite number (usually hyperbole); “there were millions of flies”

Source: WordNet® 3.1

Etymology

Noun

jillion (plural jillions)

(slang, hyperbole) An unspecified large number (of).

Synonyms

• See also zillion.

Source: Wiktionary