zero in on - definition and synonyms

phrasal verb [transitive]
present tense
I/you/we/theyzero in on
he/she/itzeroes in on
present participlezeroing in on
past tensezeroed
past participlezeroed
  1. 1
    zero in on someone/something to start to give all your attention to a particular person or thing

    The newspapers have zeroed in on his private life.

  2. 2
    zero in on someone/something to aim at someone or something with a gun or camera
     Synonyms and related words
See also main entry: zero