Jillion and Umpteen

Jillion noun - A very large indefinite number (usually hyperbole).

Umpteen and jillion are semantically related. In some cases you can use "Umpteen" instead the word "Jillion" as a noun or an adjective.

Umpteen adjective - Innumerable but many.

Jillion and umpteen are semantically related. Sometimes you can use "Jillion" instead the word "Umpteen" as a noun or an adjective.