Meaning of “accountable” - Learner’s Dictionary

accountable

adjective [ never before noun ] uk us /əˈkaʊntəbl/

having to be responsible for what you do and able to explain your actions:

Hospitals must be held accountable for their mistakes.
Politicians should be accountable to the public that elects them.
→ Opposite unaccountable
accountability uk us /əˌkaʊntəˈbɪləti/ noun [ U ]

(Definition of “accountable” from the Cambridge Learner’s Dictionary © Cambridge University Press)