a.

1. 極多的，無數的
   multitudinous questions

   許許多多問題

2. 由許多部分組成的；種類繁多的
   I heard again the multitudinous murmur of the city.

   我又聽到了城市裡各種各樣的嗡嗡聲。

3. 擁擠的；人數眾多的
   the multitudinous streets

   擁擠的街道

adj.

1. very numerous.
   ▸consisting of many individuals or elements.
2. literary (of a body of water) vast.