darker

As adjectives the difference between darker and sterner

is that darker is (dark) while sterner is (stern).

As a noun sterner is

(obsolete|rare) a director.

As adjectives the difference between darker and darkest

is that darker is (dark) while darkest is (dark).

As adjectives the difference between dark and darker

is that dark is having an absolute or (more often) relative lack of light while darker is (dark).

As a noun dark

is a complete or (more often) partial absence of light.

As adjectives the difference between deeper and darker

is that deeper is (deep) while darker is (dark).

As adjectives the difference between darkish and darker

is that darkish is somewhat dark while darker is (dark).

As a proper noun barker

is a botanical plant name author abbreviation for botanist george barker (1776-1845).

As an adjective darker is

(dark).

As an adjective darker

is (dark).

As a noun daker is

(obsolete|legal|uk|scotland) a measure of certain commodities by number, usually ten or twelve, but sometimes twenty; as, a daker of hides consisted of ten skins; a daker of gloves of ten pairs.

As adjectives the difference between danker and darker

is that danker is (dank) while darker is (dark).

As a noun darter

is a waterbird with a long neck in the family anhingidae.

As an adjective darker is

(dark).