The Collaborative International Dictionary
Caliginous \Ca*lig"i*nous\, a. [L. caliginosus; cf. F.
caligineux.]
Affected with darkness or dimness; dark; obscure. [R.]
--Blount.
The caliginous regions of the air.
--Hallywell.
-- Ca*lig"i*nous*ly, adv. -- Ca*lig"i*nous*ness, n.
[1913 Webster] ||
Douglas Harper's Etymology Dictionary
1540s, from Latin caliginosus "misty," from caliginem (nominative caligo) "mistiness, darkness, fog, gloom." Related: Caliginosity.
Wiktionary
a. dark, obscure; murky.
WordNet
adj. dark and misty and gloomy
Usage examples of "caliginous".
How to say that the mystic, caliginous spirit of the witch goddess Hecate had been, in its dying throes, drawn into a gem of such incredible power that it was called the Eye of the Beholder--the "Beholders" being gods--and that the incredible potency of that soul had provided a final catalyst that enabled the long imprisoned, vengeful shades of dead Rock trolls to utilize the Eye and manifest themselves in my shape.
The shadows that clung to him extended perhaps an inch from his skin, discolouring the air that surrounded him like a caliginous halo.
Many are of a caliginous nature, dark and mysterious, for the students love such.
She could only make out vague shapes in the caliginous air: running, the Ranyhyn appeared as little more than smears along the shrouded base of the cliffs.
Looked across the bay where Quoyle’s Point was lost in caliginous night.