DictionaryjillionEnormous number
noun

jillion

JIL-yun/dʒˈɪljʌn/

An unspecified, enormously large number.

A jillion colorful beads seem to spill from the overflowing chest.

A vast uncountable-looking pile of colorful beads spills from a chest, indefinite abundance.
Etymology

Jillion was invented on the model of million and similar number words. It suggests an enormous quantity without assigning it a definite numerical value.

In context

Inside the Hem11:44
I know I have a good jillion different patterns with this front silhouette but I don't have anything with this back silhouette
McCall's Early Fall Sewing Pattern Collection | First Impression Review

More examples

  • I've told you a jillion times to lock the door.
  • There are jillions of stars in the sky.
  • This recipe doesn't require a jillion different ingredients.

Forms

jillion · jillions

Similar words

zillion
An equally informal exaggeration, likewise expressing no exact numerical value.
million
Names exactly 1,000,000, though also used for exaggerated amounts.