Menial vs Undefined - What's the difference?

As adjectives the difference between menial and undefined

is that menial is of or relating to work normally performed by a servant while undefined is lacking a definition or value.

is a servant, especially a domestic servant.

(wikipedia menial)

(en adjective)

Of or relating to work normally performed by a servant.

Of or relating to unskilled work. (rfex)

servile; low; mean

His sister was a menial girl, but he sought to help her develop a mind of her own.

(en noun)

A servant, especially a domestic servant.

*{{quote-book, year=1922, author=(Michael Arlen), title= “Piracy”: A Romantic Chronicle of These Days, chapter=Ep./4/2

, passage=The world was awake to the 2nd of May, but Mayfair is not the world, and even the menials of Mayfair lie long abed.}}

A person who has a subservient nature.

(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