The Collaborative International Dictionary of English v.0.48:

Irksome \Irk"some\, a.
   1. Wearisome; tedious; disagreeable or troublesome by reason
      of long continuance or repetition; as, irksome hours;
      irksome tasks.
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            For not to irksome toil, but to delight,
            He made us.                           --Milton.
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   2. Weary; vexed; uneasy. [Obs.]
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            Let us therefore learn not to be irksome when God
            layeth his cross upon us.             --Latimer.

   Syn: Wearisome; tedious; tiresome; vexatious; burdensome.

   Usage: Irksome, Wearisome, Tedious. These epithets
          describe things which give pain or disgust. Irksome is
          applied to something which disgusts by its nature or
          quality; as, an irksome task. Wearisome denotes that
          which wearies or wears us out by severe labor; as,
          wearisome employment. Tedious is applied to something
          which tires us out by the length of time occupied in
          its performance; as, a tedious speech.
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                Wearisome nights are appointed to me. --Job vii.
                                                  3.
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                Pity only on fresh objects stays,
                But with the tedious sight of woes decays.
                                                  --Dryden.
          -- Irk"some*ly, adv. -- Irk"some*ness, n.
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