Main Entry: re·dun·dant

Pronunciation: \-dənt\

Function: adjective

Etymology: Latin redundant-, redundans, present participle of redundare to overflow — more at redound

Date: 1594

1 a : exceeding what is necessary or normal : superfluous b : characterized by or containing an excess; specifically : using more words than necessary c : characterized by similarity or repetition <a group of particularly redundant brick buildings> d chiefly British : no longer needed for a job and hence laid off
2 : profuse, lavish
3 : serving as a duplicate for preventing failure of an entire system (as a spacecraft) upon failure of a single component

— re·dun·dant·ly adverb