a.

1. 口齒不清的；發音不清晰的
   an inarticulate cry

   含糊不清的喊聲

2. （因激動等而）說不出話來的；不會說話的，啞的
   She was inarticulate with astonishment.

   她驚訝得說不出話來。

3. 難以言喻的；未表達出來的
   inarticulate passion

   內心的激情

4. 不善於清楚地表達的，不善辭令的
5. 【動】無關節的；無鉸的

adj.

1. unable to express oneself clearly or easily.
   ▸not clearly expressed or pronounced.
2. without joints or articulations.