Vex (v. t.) To to/s back and forth; to agitate; to disquiet.

Vex (v. t.) To make angry or annoyed by little provocations; to irritate; to plague; to torment; to harass; to afflict; to trouble; to tease.

Vex (v. t.) To twist; to weave.

Vex (v. i.) To be irritated; to fret.