vex

(verb) cause annoyance in; disturb, especially by minor irritations. Synonyms: annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, chafe, devil. Examples: "Mosquitoes buzzing in my ear really bothers me." "It irritates me that she never closes the door after she leaves."

(verb) disturb the peace of mind of; afflict with mental agitation or distress. Synonyms: worry. Examples: "I cannot sleep--my daughter's health is worrying me."

(verb) change the arrangement or position of. Synonyms: agitate, disturb, commove, shake up, stir up, raise up.

(verb) subject to prolonged examination, discussion, or deliberation. Examples: "Vex the subject of the death penalty."

(verb) be a mystery or bewildering to. Synonyms: perplex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfound. Examples: "This beats me!." "Got me--i don't know the answer!." "A vexing problem." "This question really stuck me."