inadmissible /ˌɪnədˈmɪsəbəl/adjective 4noun 1forms 3 adjective4 •Not admissible. •That cannot be admitted as evidence at a trial.Again, the multiplist would hold that the grounds for separating admissible from inadmissible interpretations cannot be the same as the grounds for preferability among admissible interpretations. — 1993 •Who cannot be allowed to enter a place or event. •That cannot be conceded. noun1 •A person who is not to be admitted (to a country, a group, etc). formsinadmissibles · more inadmissible · most inadmissible