Skim vs Undefined - What's the difference?

As adjectives the difference between skim and undefined

is that skim is (of milk) having lowered fat content while undefined is lacking a definition or value.

is to pass lightly; to glide along in an even, smooth course; to glide along near the surface.

(skimm)

To pass lightly; to glide along in an even, smooth course; to glide along near the surface.

* Alexander Pope

Not so when swift Camilla scours the plain, / Flies o'er the unbending corn, and skims along the main.

To pass near the surface of; to brush the surface of; to glide swiftly along the surface of.

* Hazlitt

Homer describes Mercury as flinging himself from the top of Olympus, and skimming the surface of the ocean.

To hasten along with superficial attention.

* I. Watts

They skim over a science in a very superficial survey.

To put on a finishing coat of plaster.

to throw an object so it bounces on water (skimming stones )

to ricochet

to read quickly, skipping some detail

I skimmed the newspaper over breakfast.

to scrape off; to remove (something) from a surface

to clear (a liquid) from scum or substance floating or lying on it, by means of a utensil that passes just beneath the surface.

to skim''' milk; to '''skim broth

to clear a liquid from (scum or substance floating or lying on it), especially the cream that floats on top of fresh milk

to skim cream

* skim through * skim over * skim off * skimmed milk * skimmer * semi-skimmed

(-)

(of milk) Having lowered fat content.

* skim milk

(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