The Collaborative International Dictionary
Darkle \Dar"kle\ (d[aum]r"k'l), v. i. [Freq. of dark.]
To grow dark; to show indistinctly.
--Thackeray.
Wiktionary
vb. 1 To be dark; to be visible only darkly. 2 To become dark; to show indistinctly.
WordNet
Wikipedia
Usage examples of "darkle".
Eye of Malsum, Angekok and his cruel price for hospitality and the shadowy shapelessness of a darkling demon summoned from out an icy sky!
Poor Bunce had darkling throes of mind, but struggled with desperate nervousness and could not be at ease till the straightforward talk began again.
He would have felt and looked more at home there than any of the periwigged Persons of Quality who darted across its stone floor, nervously, like stoats trying to make it across a darkling sandbar before owls could stoop on them.
When the fading light turned the mist a darkling pearl color, Lector slowed his stag, letting it find its own way.
It darkled out of the bile-yellow light and around the corner of another archway into the next crypt.
The tinsel glimmered only here and there, and mostly darkled into tremulous shadows.
They shimmered into stillness, darkled with death, as the cardiac monitor sang the one long note that signified flatline.
Be patient, then, with this poor child if she darkles a little under the disappointment of not finding Saratoga so personally gay as she supposed it would be, and takes it out of you and your wife, as if you were to blame for it, in something like sulks.
A generous seasoning of stars salts the clear pant of the sky, but still the desert steadily darkles, minute by minute, deeper than mere night.