redundant
adjective/ʁɨ.dũ.ˈdɐ̃.tɨ/medium
re·dun·dan·te
Definition
Not or no longer needed or useful; superfluous.
His comment was redundant, as the point had already been made.
The backup system is redundant but provides extra security.
Common collocations
redundant informationredundant systemredundant phrasemake redundant
Etymology
Do latim 'redundans, redundantis', particípio presente de 'redundare' (transbordar).