characterized by verbosity or unnecessary repetition in expressing ideas; prolix: a redundant style.
2.
being in excess; exceeding what is usual or natural: a redundant part.
3.
having some unusual or extra part or feature.
4.
characterized by superabundance or superfluity: lush, redundant vegetation.
5.
Engineering.
a.
(of a structural member) not necessary for resisting statically determined stresses.
b.
(of a structure) having members designed to resist other than statically determined stresses; hyperstatic.
c.
noting a complete truss having additional members for resisting eccentric loads. Compare complete( def 8 ), incomplete( def 3 ).
d.
(of a device, circuit, computer system, etc.) having excess or duplicate parts that can continue to perform in the event of malfunction of some of the parts.
6.
Linguistics. characterized by redundancy; predictable.
7.
Computers.containing more bits or characters than are required, as a parity bit inserted for checking purposes.
1594, from L. redundantem (nom. redundans), prp. of redundare "come back, contribute," lit. "overflow," from re- "again" + undare "rise in waves," from unda "a wave" (see water).