The Collaborative International Dictionary of English v.0.48:

Dash \Dash\ (d[a^]sh), v. t. [imp. & p. p. Dashed; p. pr. &
   vb. n. Dashing.] [Of. Scand. origin; cf. Dan daske to beat,
   strike, Sw. & Icel. daska, Dan. & Sw. dask blow.]
   1. To throw with violence or haste; to cause to strike
      violently or hastily; -- often used with against.
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            If you dash a stone against a stone in the botton of
            the water, it maketh a sound.         --Bacon.
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   2. To break, as by throwing or by collision; to shatter; to
      crust; to frustrate; to ruin.
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            Thou shalt dash them in pieces like a potter's
            vessel.                               --Ps. ii. 9.
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            A brave vessel, . . .
            Dashed all to pieces.                 --Shak.
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            To perplex and dash
            Maturest counsels.                    --Milton.
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   3. To put to shame; to confound; to confuse; to abash; to
      depress. --South.
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            Dash the proud gamester in his gilded car. --Pope.
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   4. To throw in or on in a rapid, careless manner; to mix,
      reduce, or adulterate, by throwing in something of an
      inferior quality; to overspread partially; to bespatter;
      to touch here and there; as, to dash wine with water; to
      dash paint upon a picture.
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            I take care to dash the character with such
            particular circumstance as may prevent ill-natured
            applications.                         --Addison.
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            The very source and fount of day
            Is dashed with wandering isles of night. --Tennyson.
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   5. To form or sketch rapidly or carelessly; to execute
      rapidly, or with careless haste; -- with off; as, to dash
      off a review or sermon.
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   6. To erase by a stroke; to strike out; knock out; -- with
      out; as, to dash out a word.
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WordNet (r) 3.0 (2006):

dashed
    adj 1: having gaps or spaces; "sign on the dotted line" [syn:
           dashed, dotted]

Moby Thesaurus II by Grady Ward, 1.0:

98 Moby Thesaurus words for "dashed":
   absolute, baffled, balked, betrayed, bilked, blamed,
   blankety-blank, blasted, blessed, blighted, bowed-down, cast down,
   chapfallen, confounded, crestfallen, crossed, crushed, cursed,
   cussed, dadburned, damnable, danged, darned, defeated, dejected,
   demoralized, depressed, despairing, despondent, desponding, deuced,
   disappointed, discouraged, disheartened, dished, disillusioned,
   dispirited, dissatisfied, doggone, doggoned, down, downcast,
   downhearted, downright, drooping, droopy, feeling low, foiled,
   frustrated, goldanged, goldarned, goshdarn, gross, heartless,
   hypochondriac, hypochondriacal, ill done-by, ill-served,
   in low spirits, in the depths, in the doldrums, in the dumps,
   infernal, languishing, let down, low, low-spirited, neurasthenic,
   out of countenance, outright, overcome, pessimistic, pining,
   prostrate, prostrated, reduced to jelly, regretful, ruddy, shaken,
   shot, shot to pieces, sorely disappointed, soured, spiritless,
   stricken, subdued, suicidal, thwarted, undone, unglued, unmanned,
   unmitigated, unnerved, unstrung, upset, weary of life, woebegone,
   world-weary