Definition of "darkle" [dar•kle]

• To appear darkly or indistinctly. (verb-intransitive)
• To grow dark. (verb-intransitive)
• To become gloomy. (verb-intransitive)
• To make dark or indistinct: "the dramatist . . . whose province it is to darkle and obscure” ( London National Observer). (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "You remember that darkle we had in the grenadier company?"
• "Whom It quickens, let them darkle to extinction swift and sure."
• "By it we have acquired many every-day words, among them, to accept (from acceptum), to exact (from exactum), to darkle (from darkling), and pea (from pease = pois)."