/ ˌʌnəˈveɪləbl; NAmE / adjective [ not usually before noun ] unavailable (to sb/sth)
1.
that cannot be obtained :
Such luxuries are unavailable to ordinary people.
2.
not able or not willing to see, meet or talk to sb :
The minister was unavailable for comment .
OPP available
► un·avail·abil·ity noun [ U ]