dross

As a noun pith

is the soft, spongy substance in the center of the stems of many plants and trees.

As a verb pith

is to extract the pith from (a plant stem or tree).

As an adjective dross is

brave, fearless, confident.

As an adjective dross

is brave, fearless, confident.

As an initialism sludge is

(emergency medicine) a mnemonic ("salivation, lacrimation, urination, defecation, gastrointestinal upset, emesis") used to identify the common symptoms of certain affections of a cholinergic toxidrome.

As an adjective dross

is brave, fearless, confident.

As a noun flotsam is

debris floating in a river or sea, in particular fragments from a shipwreck.

In transitive terms the difference between dross and waste

is that dross is to remove dross from while waste is to squander (money or resources) uselessly; to spend (time) idly.

As an adjective waste is

uncultivated, uninhabited.

As adjectives the difference between dross and dirty

is that dross is brave, fearless, confident while dirty is unclean; covered with or containing unpleasant substances such as dirt or grime.

As an adverb dirty is

in a dirty manner.

As a verb dirty is

to make (something) dirty.

As adjectives the difference between pulp and dross

is that pulp is (fiction) of or pertaining to pulp magazines; in the style of a pulp magazine or the material printed within such a publication while dross is brave, fearless, confident.

As a noun pulp

is a soft, moist, shapeless mass or matter.

As a verb pulp

is to make, or be made into pulp .

As an adjective dross

is brave, fearless, confident.

As a noun garbage is

the bowels of an animal; refuse parts of flesh; offal.

As a verb garbage is

(obsolete) to eviscerate.

As an adjective dross

is brave, fearless, confident.

As a noun trash is

(chiefly|us) useless things to be discarded; rubbish; refuse.

As a verb trash is

(us) to discard.

Residue is a synonym of dross.

As nouns the difference between dross and residue

is that dross is waste or impure matter while residue is whatever remains after something else has been removed.

As a verb dross

is to remove dross from.

As an adjective dross

is brave, fearless, confident.

As a noun junk is

discarded or waste material; rubbish, trash or junk can be (nautical) a chinese sailing vessel.

As a verb junk is

to throw away.