overemphasis

from WordNet (r) 3.0 (2006)

overemphasis
    n 1: too much emphasis

from The Collaborative International Dictionary of English v.0.48

overemphasis \overemphasis\
   Excessive and unwarranted emphasis.
   [PJC] overemphasize

from Moby Thesaurus II by Grady Ward, 1.0

54 Moby Thesaurus words for "overemphasis":
      aggrandizement, amplification, ballyhoo, big talk, blowing up,
      burlesque, caricature, dilatation, dilation, enhancement,
      enlargement, exaggerating, exaggeration, excess, exorbitance,
      expansion, extravagance, extreme, grandiloquence, heightening,
      huckstering, hyperbole, hyperbolism, inflation, inordinacy,
      magnification, overcarrying, overdoing, overestimation,
      overexercise, overexertion, overexpenditure, overimportance,
      overkill, overreaching, overreaction, overstatement, overstrain,
      overtaxing, overuse, overwork, prodigality, profuseness, puffery,
      puffing up, sensationalism, strain, stretching, supererogation,
      superlative, tall talk, tax, touting, travesty