Entry 3 senses · 2 variants Webster, 1913 Darkling /(därk"lĭng)/ · Dark·ling · IPA /ˈdɑː(ɹ)klɪŋ/ adv. p. pr. & a. 01 adv. In the dark. 1. In the dark.[Poetic] “So, out went the candle, and we were left darkling.” — Shak. “As the wakeful bird Sings darkling.” — Milton. 02 p. pr. & a. Becoming dark or gloomy; frowing. 1. Becoming dark or gloomy; frowing. “His honest brows darkling as he looked towards me.” — Thackeray. 2. Dark; gloomy.