Definition of "appalled"

But the purported rise in violent videos online has led some MPs to campaign for courts to have more power to remove or block material on YouTube. The Labour MP Heidi Alexander said she was appalled after a constituent was robbed at knifepoint, and the attackers could be found brandishing weapons and rapping about gang violence online.

2012 April 19, Josh Halliday, “Free speech haven or lawless cesspool – can the internet be civilised?”, in the Guardian‎

West's friends were so appalled by the nature of his death that they arranged for a wooden memorial in the churchyard of St Laurence's, constructed aptly from a railway sleeper.

2021 December 29, Stephen Roberts, “Stories and facts behind railway plaques: Reading (1840)”, in RAIL, number 947, page 56