1. More than is needed, desired, or required
   "yet another book on heraldry might be thought redundant"; "skills made redundant by technological advance";
   - excess, extra, spare, supererogatory, superfluous, supernumerary, surplus
    
2. Repetition of same and identical sense with different and non-identical words
   "at the risk of being redundant I return to my original proposition";
   - pleonastic, tautologic, tautological
    
3. [Brit] Laid off work because the job position was no longer needed
   "Many factory workers were made redundant due to automation"
    
4. (computing) duplicating the function of another component of a system, providing back-up in case of failure
   "The server farm used redundant power supplies to ensure continuous operation"

See also: prolix, unnecessary, unneeded, verbal

Encyclopedia: Redundant