a.

1. 堅硬的；堅固的；不易彎曲的
   The support for the tent is rigid.

   帳篷的支柱很堅固。

2. 嚴格的；死板的；苛刻的
   The new recruits are not used to the rigid disciplines of the army.

   新兵不習慣於軍隊的嚴格紀律。

   He is very rigid in his ideas.

   他的觀點一成不變。

3. 精確的；嚴密的
   rigid reasoning

   嚴密的推理

4. 【空】硬式的

adj.

1. unable to bend or be forced out of shape.
   ▸(of a person) stiff and unmoving.
2. not able to be changed or adapted.

n.