unaidable
/ˌyuːnˈeɪdəbəl/Definitions
1. adjective
Unable to be aided or helped; requiring no assistance.
“The unaidable child learned to walk on her own within a week.”
2. adjective
Impossible to be aided or helped; requiring no assistance because it is not possible to provide any.
“The unaidable situation made it difficult for the rescue team to reach the stranded hikers.”