IPA: /ˈlɛd.ən/
KK: /ˈlɛd.ən/
Describing something that is heavy, dull, or lacking in brightness or energy.
The sky was leaden, making the day feel gloomy and heavy.
Leaden → The word originates from Old English 'lead' (meaning the metal lead) and the suffix '-en' (meaning made of or pertaining to). Thus, 'leaden' describes something that is made of or resembles lead, often implying heaviness or dullness.
Think of the metal lead, which is heavy, to remember that 'leaden' means something that is heavy or dull, like lead.