"vex" in the verb sense
1. annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil
cause annoyance 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. worry, vex
disturb the peace of mind of afflict with mental agitation or distress
"I cannot sleep
3. agitate, vex, disturb, commove, shake up, stir up, raise up
change the arrangement or position of
subject to prolonged examination, discussion, or deliberation
"vex the subject of the death penalty"
5. 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!"
Source: WordNet® (An amazing lexical database of English)
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