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Related to darkening: Limb darkening


v. dark·ened, dark·en·ing, dark·ens
a. To make dark or darker.
b. To give a darker hue to.
2. To fill with sadness; make gloomy.
3. To render vague or uncertain; obscure: The sudden drop in stock prices darkened the future for investors.
4. To tarnish or stain: a scandal that darkened the family's good name.
To become dark or darker.

dark′en·er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.darkening - changing to a darker colordarkening - changing to a darker color    
change of color - an act that changes the light that something reflects
obfuscation - darkening or obscuring the sight of something
Adj.1.darkening - becoming dark or darker as from waning light or clouding over; "the darkening sky"
dark - devoid of or deficient in light or brightness; shadowed or black; "sitting in a dark corner"; "a dark day"; "dark shadows"; "dark as the inside of a black cat"
References in classic literature ?
It may serve, let us hope, to symbolise some sweet moral blossom that may be found along the track, or relieve the darkening close of a tale of human frailty and sorrow
Round upon all these darkening objects as the night drew on, the Marquis looked, with the air of one who was coming near home.
She stood with her arms folded in her cloak, looking down at the darkening river.
She left the bridge on the side by which I had first seen her approach it, and walked slowly away along the darkening track of the highroad.
This discouraging information a little dashed the child, who could scarcely repress a tear as she glanced along the darkening road.
Then we went to live in the country for a year, and that stress of toil, with the shadow of failure darkening all, fell from me like the horror of an evil dream.
Scientists are very worried about the melting and darkening of Greenland's ice sheet, the largest mass of ice in the Northern Hemisphere (up to two miles thick).
Skin darkening is a normal phase of pregnancy and even celebrities who are famous for their flawless skin are no exception to this condition.
As the top layers of fresh snow disappear, old impurities, like dust from erosion or soot that blew in years before, begin to appear, darkening the surface.
The Moon will travel in front of the Sun, casting a shadow over the Earth and darkening the heavens on March 20.
Darkening Mirrors: Imperial Representation in Depression-Era African American Performance.