Legislative vs Undefined - What's the difference?

As adjectives the difference between legislative and undefined

is that legislative is while undefined is lacking a definition or value.

(en adjective)

Making, or having the power to make, a law or laws; lawmaking; - distinguished from executive: as, a legislative act, a legislative body.

Although enormously influential in shaping the laws of the land, The House of Lords are not actually a legislative body .

The legislative framework provides much opportunity for correction and amendment of poorly thought out bills.

(-)

That branch of government which is responsible for making, or having the power to make, a law or laws.

(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