Industrious vs Undefined - What's the difference?

As adjectives the difference between industrious and undefined

is that industrious is hard-working and persistent; worksome while undefined is lacking a definition or value.

(en adjective)

Hard-working and persistent; worksome.

I was very industrious in my effort to learn unicycle riding.

* See also

* industriousness

* * *

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .

* defined