the state of being not or no longer needed or useful:the redundancy of 19th-century heavy plant machinery
British the state of being no longer in employment because there is no more work available:the factory’s workers face redundancy [count noun]:the car giant is expected to announce around 5,000 redundancies
Engineering the inclusion of extra components which are not strictly necessary to functioning, in case of failure in other components:a high degree of redundancy is built into the machinery installation
redundancy in other Oxford dictionaries
Definition of redundancy in the US English dictionary
