4 adjectives to describe incomprehension

Wallace sat down heavily on the floor, held his lamp out over one of the pits and stared with blank incomprehension.

Prather was crawling down the side of the arroyo on his belly, digging his hands into the dirt, his face white and contorted and his eyes shifting back and forth in ghastly incomprehension.

" Who could describe the expression that flashed across Abe's face?hurt astonishment, wounded pride, jealous incomprehension.

For a moment they stood face to face, the depths of their mutual incomprehension at last bared to each other's angry eyes; then Raymond, his glance travelling past her, pointed to the fragments of paper on the floor.

4 adjectives to describe  incomprehension