'Leaden' definitions:

Definition of 'leaden'

(from WordNet)
adjective
Darkened with overcast; "a dark day"; "a dull sky"; "the sky was leaden and thick" [syn: dull, leaden]
adjective
Made heavy or weighted down with weariness; "his leaden arms"; "weighted eyelids" [syn: leaden, weighted]
adjective
Made of lead; "a leaden weight"
adjective
(of movement) slow and laborious; "leaden steps" [syn: leaden, plodding]
adjective
Lacking lightness or liveliness; "heavy humor"; "a leaden conversation" [syn: heavy, leaden]

Definition of 'Leaden'

From: GCIDE
  • Leaden \Lead"en\, a.
  • 1. Made of lead; of the nature of lead; as, a leaden ball. [1913 Webster]
  • 2. Like lead in color, etc.; as, a leaden sky. [1913 Webster]
  • 3. Heavy; dull; sluggish. "Leaden slumber." --Shak. [1913 Webster]

Synonyms of 'leaden'

From: Moby Thesaurus