[syn: boring, deadening, dull, ho-hum, irksome, slow, tedious, tiresome, wearisome]
The Collaborative International Dictionary of English v.0.48:
Bore \Bore\, v. t. [imp. & p. p. Bored; p. pr. & vb. n.
   Boring.] [OE. borien, AS. borian; akin to Icel. bora, Dan.
   bore, D. boren, OHG. por?n, G. bohren, L. forare, Gr. ? to
   plow, Zend bar. [root]91.]
   1. To perforate or penetrate, as a solid body, by turning an
      auger, gimlet, drill, or other instrument; to make a round
      hole in or through; to pierce; as, to bore a plank.
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            I'll believe as soon this whole earth may be bored.
                                                  --Shak.
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   2. To form or enlarge by means of a boring instrument or
      apparatus; as, to bore a steam cylinder or a gun barrel;
      to bore a hole.
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            Short but very powerful jaws, by means whereof the
            insect can bore, as with a centerbit, a cylindrical
            passage through the most solid wood.  --T. W.
                                                  Harris.
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   3. To make (a passage) by laborious effort, as in boring; as,
      to bore one's way through a crowd; to force a narrow and
      difficult passage through. "What bustling crowds I bored."
      --Gay.
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   4. To weary by tedious iteration or by dullness; to tire; to
      trouble; to vex; to annoy; to pester.
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            He bores me with some trick.          --Shak.
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            Used to come and bore me at rare intervals.
                                                  --Carlyle.
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   5. To befool; to trick. [Obs.]
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            I am abused, betrayed; I am laughed at, scorned,
            Baffled and bored, it seems.          --Beau. & Fl.
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The Collaborative International Dictionary of English v.0.48:
Boring \Bor"ing\, n.
   1. The act or process of one who, or that which, bores; as,
      the boring of cannon; the boring of piles and ship timbers
      by certain marine mollusks.
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            One of the most important applications of boring is
            in the formation of artesian wells.   --Tomlinson.
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   2. A hole made by boring.
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   3. pl. The chips or fragments made by boring.
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   Boring bar, a revolving or stationary bar, carrying one or
      more cutting tools for dressing round holes.
   Boring tool (Metal Working), a cutting tool placed in a
      cutter head to dress round holes. --Knight.
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WordNet (r) 3.0 (2006):
boring
    adj 1: so lacking in interest as to cause mental weariness; "a
           boring evening with uninteresting people"; "the deadening
           effect of some routine tasks"; "a dull play"; "his
           competent but dull performance"; "a ho-hum speaker who
           couldn't capture their attention"; "what an irksome task
           the writing of long letters is"- Edmund Burke; "tedious
           days on the train"; "the tiresome chirping of a cricket"-
           Mark Twain; "other people's dreams are dreadfully
           wearisome" [syn: boring, deadening, dull, ho-hum,
           irksome, slow, tedious, tiresome, wearisome]
    n 1: the act of drilling [syn: drilling, boring]
    2: the act of drilling a hole in the earth in the hope of
       producing petroleum [syn: boring, drilling, oil
       production]
Moby Thesaurus II by Grady Ward, 1.0:
63 Moby Thesaurus words for "boring":
   acupunctuation, acupuncture, arid, bore, boresome, broach, dead,
   drab, dreary, drill hole, drudging, dry, dull, empiercement,
   exhausting, fatiguing, fixing, flat, goring, gray, humdrum,
   impalement, irksome, lancing, long-drawn-out, monotonous,
   penetration, perforation, piercing, pricking, prolix, punching,
   puncture, puncturing, repetitious, repetitive, same, samely,
   skewering, soporific, stale, stupefyingly boring, stuporific,
   tedious, terebration, tired, tiresome, tiring, transfixation,
   transfixion, transforation, trepanning, trephining, unending,
   unexciting, uninteresting, unrelieved, weariful, wearing,
   wearisome, wearying, wordy, yawny