undisclosed

/ˌʌndɪsˈkloʊzd/
adjective
  1. Not revealed or made known; kept secret or private.
    • The spy operated from an undisclosed location.
    • The company paid an undisclosed amount to settle the lawsuit.
    • The recipe contains an undisclosed ingredient that gives it a unique flavor.
What does "undisclosed" mean? | whatsthatwordmean | whatsthatwordmean