a.

1. 繁茂的；浓密的
   a luxuriant beard

   浓密的胡须

   Luxuriant forests covered the hills.

   山丘上长满茂密的树木。

2. 肥沃的；丰富的
   Farming was easy in this luxuriant soil.

   在这片沃土上耕种是件易事。

3. 华丽的；奢华的

adj.

1. (of vegetation) rich and profuse in growth.
2. (of hair) thick and healthy.