Synonyms for Redundant:

adj.

excessive; repetitious (adjective)
extra, extravagant, supernumerary, supererogatory, verbose, pleonastic, unwanted, long-winded, spare, prolix, unnecessary, diffuse, periphrastic, tautological, wordy, superfluous, surplus.
periphrastic (adjective)
periphrastic.
repetitious (adjective)
repetitive.
supererogatory (adjective)
supererogatory.
superfluous (adjective)
exorbitant, gratuitous, excessive, outrageous, overabundant, extravagant, immoderate, overindulgent, overflowing, superfluous, copious, superabundant, surplus.
talkative (adjective)
wordy.
tautological (adjective)
tautological.
unnecessary (adjective)
unneeded.
wordy (adjective)
pleonastic, verbose, diffuse.

n.

clean, auxiliary, cordless, clever, analog, broken, clockwork, built, automatically, automatic. unwanted, unsolicited, long-winded, diffuse, verbose, unlooked-for, style, uninvited, periphrastic, words, unasked for, dispensable. jobless, bloodbath, employment agency, job seeker, sign on, retired, social exclusion, poverty trap, out of work. needless (noun)
irrelevant.
redundant (noun)
excess, supererogatory, pleonastic, wordy, extra, tautological, unnecessary, surplus, tautologic, supernumerary, unneeded, superfluous, prolix, spare.
repetitious (noun)
repetitive, verbose.

Other synonyms:

social exclusion, unasked for, unwanted, employment agency, jobless, dispensable, out of work, job seeker, unsolicited, unlooked-for, uninvited. retired, long-winded, periphrastic. sign on.

Usage examples for redundant

  1. I got out as quick as I- But what- interrupted Mrs. Lathrop, her eyes fairly marble- like in their redundant curiosity. – Susan Clegg and Her Neighbors' Affairs by Anne Warner
  2. 11. What is a redundant verb? – The Grammar of English Grammars by Goold Brown