hor ‧ ri ‧ fy /ˈhɒrəfaɪ, ˈhɒrɪfaɪ $ ˈhɔː-, ˈhɑː-/ BrE AmE verb ( past tense and past participle horrified , present participle horrifying , third person singular horrifies ) [transitive]
to make someone feel very shocked and upset or afraid:
Henry was horrified by what had happened.
horrified to see/hear/find etc
She was horrified to discover that he loved Rose.