Answer: appall

AnswerCrossword Clue
APPALLBe revolting to
appallto fill with dismay
appallto horrify (to cause a reaction of horror)
APPALLFill with horror
APPALLDaunt
APPALLGross out
APPALLArouse shock
APPALLFill with fear
APPALLSeverely consternate
APPALLScandalize
APPALLScandalize, e.g.
APPALLRevolt
APPALLShock.
APPALLHorrify.
APPALLCause fear or dismay.
APPALLDismay.
APPALLDismay
APPALLUnnerve
APPALLConsternate
APPALLFill with consternation
APPALLCause consternation
APPALLMortify
APPALLFill with disgust
APPALLFill with outrage
APPALLDisgust
APPALLShock
APPALLShock big-time
APPALLFill with dismay
APPALLHorrify
APPALLDisgust and then some
APPALLProvoke horror
APPALLOutrage