Select the word you consider most appropriate to fill in the blank space. It was a ___ experience. Everybody was shocked.

Step-by-step solution

'Terrifying' will be used in the blank space as we need an adjective here to qualify the noun 'experience'. Terrifying (adj.): Causing extreme fear Terrified (verb): Cause to feel extreme fear Horrified: filled with horror; extremely shocked. Denouncing: publicly declaring to be wrong or evil.