Opposite words for representative:
funny, strange, anomalous, uncommon, peculiar, nonrepresentative, distinctive, unusual, unconventional, uncustomary, singular, aberrant, wacky, undemocratic, odd, untypical, literal, actual, wild, infrequent, rare, extraordinary, deviant, remarkable, offbeat, unknown, funky, nonconformist, erratic, outré, weird, unwonted, nonsymbolic, bizarre, oddball, unfamiliar, irregular, especial, way-out, outlandish, far-out, fantastic, quirky, atypical, curious, screwy, idiosyncratic, nontypical, unpredictable, abnormal, kooky, exceptional, noteworthy, unsymbolic, out-of-the-way, eccentric, unique, unexpected, outrageous, freak, special, unnatural, freakish, unorthodox.
Usage samples:
  1. But he's not a representative man, you understand; and I want to tell you, Belford, that the stage is in need of representative men.
    "Bolanyo", Opie Percival Read.
  2. At least, the meaning of this sudden assault was too much for England's representative.
    "54-40 or Fight", Emerson Hough.
  3. Wealth is the representative of use to society.
    "The Lights and Shadows of Real Life", T.S. Arthur Edition: 10 Language: English.
  4. His words, and especially the name of the representative of the labour unions produced an overwhelming effect upon the audience.
    "To Him That Hath A Novel Of The West Of Today", Ralph Connor.