redundancy
Definitions
The state of being no longer needed or useful.
The inclusion of extra components that are not strictly necessary to functioning, in case of failure in other components.
The use of words or data that could be omitted without loss of meaning or function.
Examples
The company announced a series of layoffs to eliminate redundancy in its administrative departments.
Engineers included a backup power system in the design to ensure redundancy in case of a primary failure.
Synonyms
superfluity excess surplus repetition duplication verbosity pleonasm
Antonyms
necessity essentiality conciseness brevity sufficiency lack scarcity