American English

Definition of monitor verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they monitor
    he / she / it monitors
    past simple monitored
    -ing form monitoring
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  1. 1monitor something monitor what, how, etc… to watch and check something over a period of time in order to see how it develops, so that you can make any necessary changes synonym track Each student's progress is closely monitored.
  2. 2monitor something to listen to telephone calls, foreign radio broadcasts, etc. in order to find out information that might be useful
See the Oxford Advanced Learner's Dictionary entry: monitor