baffling

[T]he primitive concept of the generative act was one of awe and worship, accorded to a force which was incomprehensible and baffling.

Ministers must restart trade negotiations with Brussels immediately to sort out the "baffling" array of post-Brexit rulesand regulations that now threaten much of the UK'sexport trade to the EU

[…] the contrast of the one determined and still triumphant will of the man, with the transient and vain bafflings of winds or waves, of gods, or monsters […]

Do you remember that baffling murder case?

Tom had not liked being a supply teacher; students would often cut up and play baffling tricks.

As a detective, his flair had been extraordinary, and he had achieved triumphs by unravelling some of the most baffling cases of the day.