in ‧ ad ‧ mis ‧ si ‧ ble /ˌɪnədˈmɪsəb ə l◂, ˌɪnədˈmɪsɪb ə l◂/ BrE AmE adjective
law inadmissible information is not allowed to be used in a court of law:
The evidence was ruled inadmissible.
—inadmissibility /ˌɪnədmɪsəˈbɪləti, ˌɪnədmɪsɪˈbɪləti/ noun [uncountable]