plaguing

from The Collaborative International Dictionary of English v.0.48
Plague \Plague\, v. t. [imp. & p. p. {Plagued}; p. pr. & vb. n.
   {Plaguing}.]
   1. To infest or afflict with disease, calamity, or natural
      evil of any kind.
      [1913 Webster]

            Thus were they plagued
            And worn with famine.                 --Milton.
      [1913 Webster]

   2. Fig.: To vex; to tease; to harass.
      [1913 Webster]

            She will plague the man that loves her most.
                                                  --Spenser.
      [1913 Webster]

   Syn: To vex; torment; distress; afflict; harass; annoy;
        tease; tantalize; trouble; molest; embarrass; perplex.
        [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
56 Moby Thesaurus words for "plaguing":
      aggravating, annoying, blandishment, bothering, bothersome,
      buttonholing, cajolement, cajolery, cajoling, chafing, coaxing,
      demanding, disquieting, distressful, distressing, disturbing,
      dunning, exasperating, fretting, galling, harassing, importunate,
      importunateness, importune, importunity, insistent, irking,
      irksome, irritating, nagging, pesky, pestering, pestiferous,
      pestilent, pestilential, plaguesome, plaguey, plying, pressing,
      pressure, provoking, teasing, tiresome, tormenting, troublesome,
      troubling, upsetting, urgency, urgent, urging, vexatious, vexing,
      wearisome, wheedling, worrisome, worrying

    

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