Definition of unsearchable in English:

unsearchable

adjective

literary
  • Unable to be clearly understood; inscrutable.

    ‘their motives in coming were complex and unsearchable’
    • ‘Last month we explored what it means to ‘preach the unsearchable riches of Christ’.’
    • ‘How unsearchable are his judgments and how inscrutable his ways!’
    • ‘The judgment of fallen men is not unsearchable. It is predictable.’
    • ‘Call to me and I will answer you and tell you great and unsearchable things you do not know.’
    • ‘How unsearchable are his judgments, and his ways past finding out.’

Pronunciation

unsearchable

/ʌnˈsəːtʃəb(ə)l/