Appal (US Appall) (verb)
a-pawl
Greatly dismay or horrify.
Middle English from Old French apalir ‘grow pale’, from a- (from Latin ad ‘to, at’) + palir ‘to pale’. The original sense was ‘grow pale’, later ‘make pale’, hence ‘horrify’ (late Middle English).
Example sentences
“We were all appalled at the outcome.”
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