Definition of 'on the job'

Adjective

1. actively engaged in paid work; "the working population"; "the ratio of working men to unemployed"; "a working mother"; "robots can be on the job day and night"
      Synonyms: working
2. watchful and prepared for action; "bird watchers on the alert for a rare species"; "cops were on the job and caught them red-handed"
      Synonyms: on the alert

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