1. to cause someone to feel shock, dismay, or horror
Usage: third-person singular present tense of 'appal' (British spelling); American spelling is 'appalls'

Examples

• The cruelty in the film appals most viewers.
• It appals me that such injustice still exists.
• The condition of the abandoned building appals the city inspector.
• Nothing appals her more than dishonesty.
• The waste of resources appals environmental activists.