zil ‧ lion /ˈzɪljən/ BrE AmE number informal
[ Date: 1900-2000 ; Origin: Z as the last in a series + million ]
a very large number of things
a zillion
I’ve seen that movie a zillion times.
zillions of something
zillions of mosquitoes
zil ‧ lion /ˈzɪljən/ BrE AmE number informal
[ Date: 1900-2000 ; Origin: Z as the last in a series + million ]
a very large number of things
a zillion
I’ve seen that movie a zillion times.
zillions of something
zillions of mosquitoes
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012