zero in on

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to zero in on (someone or something)

  1. To aim precisely at a target
    The pilot zeroed in on the bunker and launched a guided missile.
  2. To successfully narrow down a search
    We have zeroed in on the source of the problem.
    See if you can zero in on the caller.
  3. To concentrate or focus one's attention on at task
    One member of the check fraud team will zero in on the fingerprints.
  4. To converge on something
    At the spring sale, everyone zeroed in on the bargain clothes.


Related terms[edit]