\Dark"ling\, adv. [Dark + the adverbial suffix -ling.]
In the dark. [Poetic]

      So, out went the candle, and we were left darkling.
                                               --Shak.

      As the wakeful bird Sings darkling.      --Milton.

\Dark"ling\, p. pr. & a.
1. Becoming dark or gloomy; frowing.

         His honest brows darkling as he looked towards me.
                                               --Thackeray.

2. Dark; gloomy. ``The darkling precipice.'' --Moore.