Synonyms:
- beyond reach,
- closed forever to,
- closed to,
- impenetrable,
- impervious,
- inaccessible,
- lost to,
- out of reach,
- un-come-at-able,
- unaccessible,
- unapproachable,
- unattainable,
- unavailable,
- undiscoverable,
- ungettable,
- unobtainable,
- unreachable,
- unsecurable