Adjective
1. darkened with overcast;
"a dark day""a dull sky""a gray rainy afternoon""gray clouds""the sky was leaden and thick"2. made heavy or weighted down with weariness;
"his leaden arms""weighted eyelids"3. (of movement) slow and laborious;
"leaden steps"4. lacking lightness or liveliness;
"heavy humor""a leaden conversation"