improperly

from WordNet (r) 3.0 (2006)

improperly
    adv 1: in an improper way; "he checked whether the wound had
           healed improperly" [ant: {decent}, {decently}, {in good
           order}, {properly}, {right}, {the right way}]

from The Collaborative International Dictionary of English v.0.48

Improperly \Im*prop"er*ly\, adv.
   In an improper manner; not properly; unsuitably;
   unbecomingly.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

72 Moby Thesaurus words for "improperly":
      abominably, agonizingly, awfully, baldly, balefully, bitterly,
      blatantly, brashly, coarsely, confoundedly, crassly, crudely,
      cruelly, damnably, deadly, deathly, deucedly, distressingly,
      dolorously, dreadfully, egregiously, excessively, excruciatingly,
      exorbitantly, extravagantly, flagrantly, frightfully, grievously,
      grossly, hellishly, horribly, incorrectly, indecently,
      indecorously, indelicately, inelegantly, inexcusably, infernally,
      inordinately, intolerably, lamentably, miserably, nakedly,
      offensively, openly, painfully, piteously, ribaldly, roughly,
      rudely, sadly, shatteringly, shockingly, something awful,
      something fierce, sorely, staggeringly, terribly, torturously,
      unashamedly, unbearably, unconscionably, uncouthly, unduly,
      unpardonably, unseemly, untastefully, vulgarly, woefully, wrong,
      wrongfully, wrongly