pinpoint - definition and synonyms

verb [transitive] 

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/ˈpɪnˌpɔɪnt/
present tense
I/you/we/theypinpoint
he/she/itpinpoints
present participlepinpointing
past tensepinpointed
past participlepinpointed
  1. 1
    to discover or explain exactly what something is

    We’ve been unable to pinpoint the source of the problem.

  2. 2
    to discover exactly where something is

    It was impossible to pinpoint the exact position of the ship.