Etymology: (1375–1425; < OF vexer < L vexāre to shake, jolt, annoy)
Definition of 'vex'
Princeton's WordNet
1. (verb)annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil causeannoyance in; disturb, especially by minor irritations "Mosquitoes buzzing in my ear really bothers me"; "It irritates me that she never closes the door after she leaves"
2. (verb)worry, vex disturb the peace of mind of; afflict with mental agitation or distress "I cannot sleep--my daughter's health is worrying me"
3. (verb)agitate, vex, disturb, commove, shake up, stir up, raise up change the arrangement or position of
4. (verb)vex subject to prolonged examination, discussion, or deliberation "vex the subject of the death penalty"
5. (verb)perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound be a mystery or bewildering to "This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me"
Definition of 'vex'
Webster Dictionary
1. (verb)vex to to/s back and forth; to agitate; to disquiet
2. (verb)vex to make angry or annoyed by little provocations; to irritate; to plague; to torment; to harass; to afflict; to trouble; to tease