appall

or ap·pal

[ uh-pawl ]
/ əˈpɔl /

verb (used with object)

to fill or overcome with horror, consternation, or fear; dismay: He was appalled by the damage from the fire. I am appalled at your mistakes.

Origin of appall

1275–1325; Middle English < Middle French ap(p)allir to grow or make pale, equivalent to a- a-5 + pal(l)ir in same sense; see pale1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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