Shatter vs Undefined - What's the difference?

As a verb shatter

is to violently break something into pieces.

is (archaic) a fragment of anything shattered.

lacking a definition or value.

(wikipedia shatter)

(en verb)

to violently break something into pieces.

The miners used dynamite to shatter rocks.

a high-pitched voice that could shatter glass

The old oak tree has been shattered by lightning.

to destroy or disable something.

to smash, or break into tiny pieces.

to dispirit or emotionally defeat

to be shattered''' in intellect; to have '''shattered''' hopes, or a '''shattered constitution

* 1984 Martyn Burke, The commissar's report, p36

Your death will shatter him. Which is what I want. Actually, I would prefer to kill him.

* 1992 Rose Gradym "Elvis Cures Teen's Brain Cancer!" Weekly World News , Vol. 13, No. 38 (23 June, 1992), p41

A CAT scan revealed she had an inoperable brain tumor. The news shattered Michele's mother.

* 2006 A. W. Maldonado, Luis Muñoz Marín: Puerto Rico's democratic revolution, p163

The marriage, of course, was long broken but Munoz knew that asking her for a divorce would shatter her.

* Norris

a man of a loose, volatile, and shattered humour

(obsolete) To scatter about.

* Milton

Shatter your leaves before the mellowing year.

(en noun)

(archaic) A fragment of anything shattered.

to break a glass into shatters

(Jonathan Swift)

* * English ergative verbs

(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