a.

1. 乾旱的；乾燥的；不毛的
   The settlers irrigated the arid land.

   移民們灌溉乾燥的土地。

2. 枯燥的；無生氣的
   The audience soon grew tired of his arid speech.

   沒多久聽眾對他枯燥無味的演說就感到厭膩了。

adj.

1. (of land or a climate) very dry; having little or no rain.
2. uninteresting:
   arid verse.