All 3 Uses of

appalling
in
Jane Eyre

Again I reflected: I scarcely knew what school was: Bessie sometimes spoke of it as a place where young ladies sat in the stocks, wore backboards, and were expected to be exceedingly genteel and precise: John Reed hated his school, and abused his master; but John Reed's tastes were no rule for mine, and if Bessie's accounts of school-discipline (gathered from the young ladies of a family where she had lived before coming to Gateshead) were somewhat appalling, her details of certain accomplishments attained by these same young ladies were, I thought, equally attractive.†
p. 30.7

appalling = shockingly terrible or horrible

Here then I was in the third storey, fastened into one of its mystic cells; night around me; a pale and bloody spectacle under my eyes and hands; a murderess hardly separated from me by a single door: yes — that was appalling — the rest I could bear; but I shuddered at the thought of Grace Poole bursting out upon me.†
p. 243.0

Both the sisters seemed struck: not shocked or appalled; the tidings appeared in their eyes rather momentous than afflicting.†
p. 410.8 *

appalled = shocked by how terrible or horrible something is