Adjective: leaden le-d(u)n
- Made of lead
"a leaden weight"
- Darkened with overcast
"the sky was leaden and thick";
- dull
- Made heavy or weighted down with weariness
"his leaden arms";
- weighted
- (of movement) slow and laborious
"leaden steps";
- plodding
- Lacking lightness or liveliness
"a leaden conversation";
- heavy
See also: cloudy, dull, effortful, heavy, hebetudinous [rare]