An example of something that might appall are someone's horrible table manners at an upscale fine dining establishment.
Origin of appallMiddle English apallen from Old French apalir from a-, to + palir, to grow pale from Classical Latin palescere from pallere, to be pale: see pale
transitive verbap·palled, ap·pall·ing, ap·palls
Origin of appallMiddle English apallen to grow faint from Old French apalir a- to ( from Latin ad- ; see ad- . ) palir to grow pale ( from pale pale ) ( from Latin pallidus ) ( from pallēre to grow pale ; see pel-1 in Indo-European roots.)
(third-person singular simple present appalls, present participle appalling, simple past and past participle appalled)
- To depress or discourage with fear; to impress with fear in such a manner that the mind shrinks, or loses its firmness; to overcome with sudden terror or horror; to dismay.
- The sight appalled the stoutest heart.