incalculable - definition and synonyms

adjective 

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/ɪnˈkælkjʊləb(ə)l/
  1. 1
    formal too great to count or measure

    The benefit to the local economy would be incalculable.

    ancient art works of incalculable value

  2. 2
    something that is incalculable is not certain enough to be planned for or known about before it happens

    an incalculable risk

derived word