featureless /ˈfiːtʃəlɪs/

• 1.  

  ADJ（形容词） If you say that something is featureless, you mean that it has no interesting features or characteristics. 无特色的

  例：

  Malone looked out at the grey-green featureless landscape.

  马龙望向灰绿色、毫无特色的景观。