inertly heavy like lead; hard to lift or move

a leaden weight; leaden feet.

dull, spiritless, or gloomy, as in mood or thought

leaden prose; a leaden atmosphere.

of a dull gray color

leaden skies.

oppressive; heavy

a leaden silence.

sluggish; listless

They moved at a leaden pace.

of poor quality or little value.

made or consisting of lead.

to make leaden, sluggish, dull, etc.

Fatigue had leadened his brain and step.

adjective

flagging , lackadaisical , languorous , limp , listless , lymphatic , spiritless , depressed , downcast , dreary , dull , gloomy , gray , heavy , inert , sluggish