Retired vs Undefined - What's the difference?

As adjectives the difference between retired and undefined

is that retired is secluded from society (of a lifestyle, activity etc); private, quiet while undefined is lacking a definition or value.

is (retire).

(en adjective)

Secluded from society (of a lifestyle, activity etc.); private, quiet.

Of a place: far from civilisation, not able to be easily seen or accessed; secluded.

*1910 , , "The Saint and the Goblin", Reginald in Russia :

*:The little stone Saint occupied a retired niche in a side aisle of the old cathedral.

That has left employment (of a person), especially on reaching pensionable age.

The retired workers are a major expense due to their pensions.

(head)

(retire)

* *

(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