undiscoverable

UK
/ˌʌndɪsˈkʌvərəbl/
US
/ˌʌndɪsˈkʌvərəbəl/
undiscoverableadjective
more undiscoverable
Comp.
most undiscoverable
Super.
UK
/ˌʌndɪsˈkʌvərəbl/
US
/ˌʌndɪsˈkʌvərəbəl/
Translations
The secret passage was undiscoverable to the untrained eye.
Секретный проход был необнаружим для непосвященного взгляда.
Definitions
Impossible to find or detect.
The treasure was hidden in such a way that it was deemed undiscoverable by the explorers.