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.

Example:
What different flavours of Vex are there?

Taxonomy
VEX Robotics, Robotics Competition, robotics, Game, Robotics Design, Autodesk, Educational Robotics, science and engineering, Design System, robot, math, Innovation First, First, Inc, Classroom Lab, World Championship, Competition, All-Star Challenge, EDR.

Defination from the web:
VEX Robotics Parts & Accessories ... The First Annual VEX Robotics All-Star Challenge at Disney's Wide World of Sports® Complex Presented by NASA, iRobot, EMC, Autodesk. ... Massachusetts & California High School Teams Dominate VEX Robotics Competition World Championship ...