形容詞 leaden:

1. darkened with overcast
   同義詞：dull, grey, gray
2. made heavy or weighted down with weariness
   同義詞：weighted
3. made of lead
4. (of movement) slow and laborious
   同義詞：plodding
5. lacking lightness or liveliness
   同義詞：heavy

1. A leaden conversation.
   枯燥無味的談話
2. Drizzle from a leaden sky.
   從鉛灰色的天空中飄落的雨絲

lead.en

adj.（形容詞）
Made of or containing lead.
由鉛制成的或含有鉛的

Heavy and inert.
沉重的和呆滯的
Listless; sluggish.
倦怠的；遲鈍的
Lacking liveliness or sparkle; dull:
缺乏生氣或活力的；單調(diào)的：
例句：
a leaden conversation.
枯燥無味的談話

Downcast; depressed:
沮喪的；愁悶的：
例句：
leaden spirits.
精神沮喪

Dull, dark gray in color:
暗晦的，顏色深灰的：
例句：
drizzle from a leaden sky.
從鉛灰色的天空中飄落的雨絲

【引伸】
lead.enly
adv.（副詞）
lead.enness
n.（名詞）