un·ac·count·able 
/ˌʌnəˈkaʊntəbəl/ adjective
/ˌʌnəˈkaʊntəbəl/ adjective formal 1 : not able to be explained : strange or mysterious
▪ She has shown an unaccountable reluctance to accept their offer. 2 a : not required to explain actions or decisions — usually + to ▪ judges who are not elected and so are unaccountable to the public ▪ He remains unaccountable to the voters.
b : not required to be responsible for something — usually + for ▪ Despite all the problems he has caused, he remains unaccountable for his mistakes.
▪ She has shown an unaccountable reluctance to accept their offer.
b : not required to be responsible for something — usually + for ▪ Despite all the problems he has caused, he remains unaccountable for his mistakes.
