📖 WordNook

erratic

adjective
  1. liable to sudden unpredictable change
    “erratic behavior”
    ficklemercurialquicksilverquick silver
  2. likely to perform unpredictably
    “erratic winds are the bane of a sailor”
    temperamental
  3. having no fixed course
    “an erratic comet”
    planetarywandering