Fabulous vs Undefined - What's the difference?

As adjectives the difference between fabulous and undefined

is that fabulous is of or relating to fable, myth or legend while undefined is lacking a definition or value.

(en adjective)

of or relating to fable, myth or legend.

characteristic of fables; marvelous, extraordinary, incredible, unbelievable, absurd, extreme, or exaggerated.

fictional or not believable; made up.

known for telling fables or falsehoods; unreliable.

very good; outstanding, wonderful.

* In the sense of wonderful , the word may become associated with gay men. This may be the direct result of its former usage among valley girls.

* fab * fabulously * fabulousness

(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