verb (v)

• cause annoyance in; disturb, especially by minor irritations(verb.emotion)

  Synonym:
  annoy, bother, chafe, devil, get at, get to, gravel, irritate, nark, nettle, rag, vex
  

  source: wordnet30
• make turbid by stirring up the sediments of(verb.contact)

  Synonym:
  roil
  

  source: wordnet30
• To render turbid or muddy; to stir up; to roil.(verb)

  source: webster1913