vex

Verb

• 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
    

• subject to prolonged examination, discussion, or deliberation
  • vex the subject of the death penalty
    

• change the arrangement or position of

• disturb the peace of mind of; afflict with mental agitation or distress
  • I cannot sleep--my daughter's health is worrying me
    

• 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
    

Related words

• Synonyms: 
  perplex , stick , get , puzzle , mystify , baffle , beat , pose , bewilder , agitate , disturb , commove , shake up , stir up , raise up , worry
• Antonyms: 
  reassure , assure