From Longman Dictionary of Contemporary Englishunaccountableun‧ac‧count‧a‧ble /ˌʌnəˈkaʊntəbəl◂/ adjective formal 1 SURPRISEDvery surprising and difficult to explain the unaccountable shyness she always felt in Louise’s presence For some unaccountable reason, he arrived a day early.2 RESPONSIBLEnot having to explain your actions or decisions to anyone else OPP accountableunaccountable to Doctors still remain largely unaccountable to the public.
Examples from the Corpus
unaccountable• I had never believed in ghosts but what I had seen was unaccountable.• Most currencies are controlled by people who are unelected and unaccountable.• This is the heady sensation that most travelers relish, the freedom that comes from feeling unaccounted for and unaccountable.• This, as has been said, is particularly true of the moves to set up an unaccountable Central Bank.• That is not democracy or power to the people - it is all power to an autarchy of unaccountable conservative central bankers.• unaccountable federal agency officials• Herein lies the danger: that power will lurk, unspecified and unaccountable, in the shadows of compromise.• For some unaccountable reason he was sure I would be successful.• All of our economic life is to be decided by an unelected, unaccountable single central bank.• Doctors have more control over the treatment received by their patients but remain largely unaccountable to the public and management. 