The state of being dark; lack of light; the absolute or comparative absence of light.
Lack of knowledge; obscurity or meaning or intelligibility; the unknown.
Secrecy; concealment.
The product of being dark.
Gloom; gloominess; depression.
Hell.
The state or quality of reflecting little light, of tending to a blackish or brownish color.
Lack of understanding or compassion; spiritual or mental blindness.
Sunset.
A hat with a wide brim to shade the eyes from sunlight.
to experience an episode or an onset of some detrimental mental condition like agitation, anxiety, hallucination or dementia, daily at nightfall.