As a noun zillion
is (slang|hyperbole) an unspecified large number (of).
As an adverb zillionfold is
(rare) by a factor of a zillion.
Other Comparisons: What's the difference?
(slang, hyperbole) An unspecified large number (of).
* 2008 , "
- When I want to switch Groupwise domains I am forced to click the cancel button on a login dialog box a zillion times (I’m not exaggerating... much)
Brain tests show child wealth gap", BBC News , 6 December 2008:
- "We are certainly not blaming lower socioeconomic families for not talking to their kids - there are probably a zillion reasons why that happens."
* (unspecified large number) See also .
(rare) By a factor of a zillion.