consternation - definition and synonyms

noun [uncountable] formal 

Your browser doesn’t support HTML5 audio

/ˌkɒnstə(r)ˈneɪʃ(ə)n/
  1. a shocked or worried feeling, often caused when something unexpected happens

    His comments caused consternation among environmentalists.

    to someone’s consternation:

    She saw to her consternation that it was already after eight.