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

Examples of ZILLION

  1. I have a zillion chores to finish before we can leave.

Origin of ZILLION

z + -illion (as in million)
First Known Use: 1934

Rhymes with ZILLION

ZILLIONTH Defined for Kids


noun zil·lion \ˈzil-yən\

Definition of ZILLION for Kids

:  an extremely large number <zillions of ants>


Next Word in the Dictionary: zillionairePrevious Word in the Dictionary: zillahAll Words Near: zillion
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears