Main Entry: up·end

Pronunciation: \ˌəp-ˈend\

Function: verb

Date: 1823

transitive verb

1 : to set or stand on end; also : overturn 1
2 a : to affect to the point of being upset or flurried <a…literary shocker, designed to upend the credulous matrons — Wolcott Gibbs> b : defeat, beatintransitive verb : to rise on an end