1. shock, offend, scandalize, scandalise, appal, appall, outrage -- (strike with disgust or revulsion; "The scandalous behavior of this married woman shocked her friends")
2. dismay, alarm, appal, appall, horrify -- (fill with apprehension or alarm; cause to be unpleasantly surprised; "I was horrified at the thought of being late for my interview"; "The news of the executions horrified us")
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You know I hate, detest, and can't bear a lie, not because I am straighter than the rest of us, but simply because it appalls me. - from Heart of Darkness by Joseph Conrad