unaccessible

/ˌʌnækˈsɛsəbəl/
adjective
  1. Not able to be reached, entered, or used; not accessible.
    • The mountain trail was unaccessible after the landslide blocked the path.
    • The building's upper floors were unaccessible to people in wheelchairs.
    • Many old websites are now unaccessible because they use outdated technology.
Antonyms