(dated) Made of lead. / Pertaining to or resembling lead; grey, heavy, sluggish. / Dull; darkened with overcast.

(transitive, intransitive) To make or become dull or overcast.

The quality of being leaden.

simple past tense and past participle of leaden

Third-person singular simple present indicative form of leaden

present participle of leaden

(obsolete) Very slowly in progress or the passage of time.

unfeeling

(obsolete, of time) To pass slowly.

present participle of fly with leaden wings