Synonyms for Unpleasantly:

adv.

badly (adverb)
detrimentally, inadvisably, wrongly, Blackly, badly.
disagreeably (adverb)
distastefully, nastily, obnoxiously, unpalatably, disgustingly.
grotesquely (adverb)
grotesquely, Repugnantly, displeasingly, odiously, repellently, repulsively, Abhorrently, hideously, unattractively, unaesthetically, disagreeably.
painfully (adverb)
distressfully, bitterly, aggravatingly, painfully, arduously, miserably, distressingly, horrendously, tryingly, severely, hurtfully, piercingly, annoyingly, oppressively, torturously, bitingly, uncomfortably, excruciatingly, irritatingly, tormentingly, smartingly, gnawingly, agonizingly, acutely, offensively, cruelly, irksomely, sorely, witheringly, stingingly, woefully, grievously, troublesomely, unbearably, gruelingly, achingly, Insufferably.

adv

badly (adverb)
detrimentally, inadvisably, wrongly, Blackly, badly.
disagreeably (adverb)
unpalatably, disagreeably, offensively, repulsively, obnoxiously, nastily, distastefully, disgustingly.
grotesquely (adverb)
grotesquely, Repugnantly, displeasingly, odiously, repellently, repulsively, Abhorrently, hideously, unattractively, unaesthetically, disagreeably.
painfully (adverb)
distressfully, gruelingly, tormentingly, cruelly, acutely, disagreeably, distressingly, stingingly, severely, miserably, excruciatingly, tryingly, torturously, offensively, gnawingly, oppressively, piercingly, sorely, irritatingly, witheringly, bitingly, annoyingly, uncomfortably, horrendously, bitterly, aggravatingly, grievously, hurtfully, agonizingly, achingly, troublesomely, painfully, irksomely, unbearably, woefully, smartingly, odiously, arduously, Insufferably.

Other synonyms:

n.
annoyingly, disagreeably, distastefully, nastily, uncomfortably, troublesomely.

Usage examples for unpleasantly

  1. The latter looked uneasy at first, but soon perceived that his best chance of safety lay in immediately leaving the neighbourhood, which was unpleasantly near Simla on the one side and the frontiers of Baithopoor on the other. – Mr. Isaacs by F. Marion Crawford
  2. Because of the people in the room beyond, her voice was pitched low, but her pale eyes glittered unpleasantly behind her spectacles. – The Doorway by Evelyn E. Smith