be ‧ fall /bɪˈfɔːl $ -ˈfɒːl/ BrE AmE verb ( past tense befell /-ˈfel/, past participle befallen /-ˈfɔːlən $ -ˈfɒː-/) [transitive] literary
if something unpleasant or dangerous befalls you, it happens to you:
We prayed that no harm should befall them.