Meaning & use
redundancy
Last updated
the state of being unnecessary or superfluous, especially through needless repetition; also, a backup system kept in reserve in case another fails.
See it in a sentence
The editor cut several redundancies, like 'free gift,' from the report.
The spacecraft was built with redundancy in its life-support systems in case one component failed.
A note on using this word
In British English, 'redundancy' also commonly means being laid off from a job, a sense less common in American English.
Words with a similar meaning
superfluityduplication
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
necessity
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