1. The attribute of being superfluous and unneeded
   "the use of industrial robots created redundancy among workers";
   - redundance, superfluousness
    
2. [Brit, Cdn] The act of laying off an employee or a work force
   "The company announced a massive redundancy due to economic downturn";
   - layoff
    
3. Repetition of an act needlessly
   "The redundancy in his speech made it unnecessarily long"; "Eliminating redundancy in the code improved the program's efficiency"
    
4. (electronics) a system design that duplicates components to provide alternatives in case one component fails
   "The spacecraft's redundancy systems ensured a safe landing despite the initial malfunction"
    
5. Repetition of messages to reduce the probability of errors in transmission
   "The communication system used redundancy to ensure the message was received accurately"

Derived forms: redundancies

Type of: closedown, closing, closure, configuration, constellation, embarrassment, overplus, plethora, repeating, repetition, repetitiousness, repetitiveness, shutdown, superfluity

Encyclopedia: Redundancy