insignificancy

from The Collaborative International Dictionary of English v.0.48

Insignificancy \In`sig*nif"i*can*cy\, n.
   Insignificance.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

51 Moby Thesaurus words for "insignificancy":
      a little thing, a nobody, a nothing, cipher, common man, dummy,
      figurehead, hardly anything, inessential, jackstraw, lightweight,
      little fellow, little guy, man of straw, marginal matter,
      matter of indifference, mediocrity, mere nothing, minor matter,
      naught, nebbish, nihility, no great matter, nobody,
      nobody one knows, nonentity, nothing, nothing in particular,
      nothing to signify, nullity, obscurity, paltry affair,
      peu de chose, pip-squeak, punk, rien du tout, runt,
      scarcely anything, scrub, shrimp, small fry, small potato,
      small potatoes, squirt, squit, technicality, thing of naught,
      whiffet, whippersnapper, zero, zilch