First Known Use: 1934
Dictionary
zillion
zillion
noun zil·lion \ˈzil-yən\
: a very large number
Full Definition of ZILLION
: an indeterminately large number <zillions of mosquitoes>
— zil·lionth \-yən(t)th\ adjective
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Examples of ZILLION
- I have a zillion chores to finish before we can leave.
Origin of ZILLION
z + -illion (as in million)
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