appall
ap·pall
verb
1.
2.
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”
Origin
From Middle English apallen, from Old French apalir (“to grow pale, make pale”); a (Latin ad) + palir (“to grow pale, to make pale”), pâle (“pale”), from pallere. See pale (adj.) and compare with pall.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.