VEX Meaning of VEX in English v.tr. 1. anger by a slight or a petty annoyance; irritate. 2 archaic grieve, afflict. Derivatives: vexer n. vexing adj. vexingly adv. Etymology: ME f. OF vexer f. L vexare shake, disturb Oxford English vocab. Оксфордский английский словарь. 2012