consternation

“con-stir-nation” | /ˌkɒn.stəˈneɪ.ʃən/

n – Amazement or horror that confounds the faculties, and incapacitates for reflection; terror, combined with amazement;

“It was a design plan that caused substantial consternation to the worker who was fitting the framework for the doorframe.”

From Latin consternātiō: confusion, dismay, alarm,