sadness

The melancholy of the moor, the death of the unfortunate pony, the weird sound which had been associated with the grim legend of the Baskervilles, all these things tinged my thoughts with sadness.

and why have you such an air of sadness aboard?”

Fortunately, as regarded this circumstance at least, his painful past gave to his countenance an indelible sadness, and the glimmerings of gayety seen beneath this cloud were indeed but transitory.

Instead of that air of life, of comfort, and of happiness that permeates a flourishing and prosperous business establishment—instead of merry faces at the windows, busy clerks hurrying to and fro in the long corridors—instead of the court filled with bales of goods, re-echoing with the cries and the jokes of porters, one would have immediately perceived all aspect of sadness and gloom.