bewildering
v.v. causing you to feel very confused or unable to understand something. You use this when a situation is so complex or strange that it is hard to follow.
v. causing great confusion or a state of being unable to think clearly. Often describes situations that are complex, disorganized, or difficult to navigate.
The new office layout is very bewildering.
The sudden change in the company's leadership caused a bewildering amount of confusion among the staff.
The sheer scale of the project was bewildering to the junior engineers, who struggled to grasp how the various components fit together within the larger system.
From bewilder (“to confuse, disorientate, or puzzle someone, especially with many different choices”) + -ing (suffix forming nouns or noun-like words from verbs, denoting the act of doing something, an action, or the embodiment of an action; and forming the present participles of verbs).