leaden

adj.

[1]	heavy , dull , onerous , ponderous , dense , burdensome
[2]	heavy , weighted , dull , numbing , oppressive
[3]	grey , dull , dingy , gloomy , glowering , lowering , dreary , dismal , oppressive , dark , sullen , sombre
[4]	inert , plodding , lifeless , listless , sluggish , inanimate , inactive , lethargic , languid , languorous , torpid , spiritless , stagnant , static , dormant , soporific , sleepy
[5]	heavy