greyly

From grey +‎ -ly.

greyly (comparative more greyly, superlative most greyly)

1. In a grey way; in partial light.
   • 1898, H.G. Wells, The War of the Worlds, London: William Heinemann, page 198:

     The interior of the kitchen we now saw grayly for the first time.

2. With a dreary or gloomy countenance.
   • 1898, H.G. Wells, The War of the Worlds, London: William Heinemann, page 292:

     I got a compartment to myself, and sat with folded arms, looking grayly at the sunlit devastation that flowed past the windows