keep an eye on

Definitions of keep an eye on
  1. verb
    follow with the eyes or the mind
    Keep an eye on the baby, please!”
    synonyms: follow, observe, watch, watch over
    follow, trace
    follow, discover, or ascertain the course of development of something
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    keep tabs on
    keep a record on or watch attentively
    keep watch over
    invigilate, proctor
    watch over (students taking an exam, to prevent cheating)
    patrol, police
    maintain the security of by carrying out a patrol
    keep guard, stand guard, stand sentinel, stand watch
    watch over so as to protect
    baby-sit, sit
    work or act as a baby-sitter
    take watchful responsibility for
    type of:
    check, check into, check out, check over, check up on, go over, look into, suss out
    examine so as to determine accuracy, quality, or condition
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