Adjectives

(a)leadenmade of lead“a leaden weight”
(s)dull, leadendarkened with overcast“a dull sky”, “the sky was leaden and thick”
(s)leaden, weightedmade heavy or weighted down with weariness“his leaden arms”, “weighted eyelids”
(s)leaden, plodding(of movement) slow and laborious“leaden steps”
(s)heavy, leadenlacking lightness or liveliness“heavy humor”, “a leaden conversation”