1) There was a certain somewhatness about her attitude that seemed hard to define.

2) The somewhatness of his smile left her feeling uncertain about his intentions.

3) The story had a somewhatness to it that made it difficult to discern its true meaning.

4) The painting had a certain somewhatness that captivated viewers.

5) Her response had a subtle somewhatness to it that hinted at deeper emotions.

6) The mood of the room had a unique somewhatness that set it apart from other spaces.

7) There was a slight somewhatness in his voice that hinted at hidden emotions.

8) The movie's ending had a mysterious somewhatness that left audiences pondering its significance.

9) The landscape had a certain somewhatness that made it feel otherworldly.

10) The novel's protagonist had a somewhatness that made him both relatable and enigmatic.