more enigmatical

Having thus established to his satisfaction that commerce, being only a series of exchanges, cannot produce any increase of value, or what he terms surplus value, Marx says that that only makes the problem of the origin of surplus value more enigmatical than ever.

“Indeed, no,” she replied reassuringly, seeing how his confident manner had changed to despair, “but I do mean that the ways of women are not more enigmatical than those of men—some men,” she qualified.

Every day Sendlingen's conduct seemed to him more enigmatical and unnatural.

An odd thing indeed, that Pepperton should have lent himself to the preservation of a commonplace and thoroughly uninteresting relic, for beyond doubt he must have countenanced it; and Miss Hollister's prompt removal of the plans from the architect's office became more enigmatical than ever.

The very contrast of the participants rendered it unique, but this unconscious revival of rites which had passed away centuries ago lent a deeper and more enigmatical significance to it all.