IPA: /ˈlɛd.ən.nəs/
KK: /ˈlɛdɪnəs/
The state or quality of being heavy, dull, or lead-like, often used to describe something that feels oppressive or lifeless.
The leadenness of the atmosphere made everyone feel tired and sluggish.
Leadenness → It is formed from "lead" (from Old English *lædan*, meaning to guide or direct) and "-ness" (meaning the state or quality of). The word "leadenness" refers to the quality or state of being lead-like, often implying heaviness or sluggishness.
Think of the word 'lead' which suggests guiding or directing, and remember that 'leadenness' describes the quality of being heavy or sluggish, much like the metal lead.