troublesome

troublesome
    adj 1: difficult to deal with; "a troublesome infection"; "a
           troublesome situation"
    

Troublesome \Trou"ble*some\, a.
   Giving trouble or anxiety; vexatious; burdensome; wearisome.
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         This troublesome world.                  --Book of
                                                  Common Prayer.
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         These troublesome disguises that we wear. --Milton.
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         My mother will never be troublesome to me. --Pope.
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   Syn: Uneasy; vexatious; perplexing; harassing; annoying;
        disgusting; irksome; afflictive; burdensome; tiresome;
        wearisome; importunate.
        [1913 Webster] -- {Trou"ble*some*ly}, adv. --
        {Trou"ble*some*ness}, n.
        [1913 Webster]
    

121 Moby Thesaurus words for "troublesome":
      Herculean, adverse, aggravating, alarming, annoying, antagonistic,
      arduous, awkward, backbreaking, besetting, bothering, bothersome,
      burdensome, chafing, choking, clumsy, conflicting, constrictive,
      contrary, counter, counteractive, counterproductive, crosswise,
      crushing, detrimental, difficult, discommodious, disquieting,
      distressful, distressing, disturbing, effortful, exasperating,
      forced, fretting, galling, grueling, harassing, hard, hard-earned,
      hard-fought, harmful, heavy, hefty, hindering, hindersome, hostile,
      importunate, importune, in opposition, in the way, incommodious,
      inconvenient, infestive, inhibiting, inhibitive, inimical,
      interrupting, interruptive, irking, irksome, irritating, killing,
      labored, laborious, mean, miserable, not easy, obstructing,
      obstructive, obstruent, occlusive, onerous, operose, opposed,
      opposing, opposite, oppressive, painful, pesky, pestering,
      pestiferous, pestilent, pestilential, plaguesome, plaguey,
      plaguing, provoking, punishing, repressive, restrictive, rigorous,
      sinister, stifling, strained, strangling, strenuous, stressful,
      suppressive, teasing, tiresome, toilsome, tormenting, tough,
      troubling, troublous, trying, ugly, unfavorable, unhandy, untoward,
      unwieldy, uphill, upsetting, vexatious, vexing, wearisome, wicked,
      worrisome, worrying, wretched