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.