The Collaborative International Dictionary of English v.0.48:

Haste \Haste\, v. t. & i. [imp. & p. p. Hasted; p. pr. & vb.
   n. Hasting.] [OE. hasten; akin to G. hasten, D. haasten,
   Dan. haste, Sw. hasta, OF. haster, F. h[^a]ter. See Haste,
   n.]
   To hasten; to hurry. [Archaic]
   [1913 Webster]

         I 'll haste the writer.                  --Shak.
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         They were troubled and hasted away.      --Ps. xlviii.
                                                  5.
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The Collaborative International Dictionary of English v.0.48:

Haste \Haste\ (h[=a]st), n. [OE. hast; akin to D. haast, G.,
   Dan., Sw., & OFries. hast, cf. OF. haste, F. h[^a]te (of
   German origin); all perh. fr. the root of E. hate in a
   earlier sense of, to pursue. See Hate.]
   1. Celerity of motion; speed; swiftness; dispatch;
      expedition; -- applied only to voluntary beings, as men
      and other animals.
      [1913 Webster]

            The king's business required haste.   --1 Sam. xxi.
                                                  8.
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   2. The state of being urged or pressed by business; hurry;
      urgency; sudden excitement of feeling or passion;
      precipitance; vehemence.
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            I said in my haste, All men are liars. --Ps. cxvi.
                                                  11.
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   To make haste, to hasten.

   Syn: Speed; quickness; nimbleness; swiftness; expedition;
        dispatch; hurry; precipitance; vehemence; precipitation.

   Usage: Haste, Hurry, Speed, Dispatch. Haste denotes
          quickness of action and a strong desire for getting
          on; hurry includes a confusion and want of collected
          thought not implied in haste; speed denotes the actual
          progress which is made; dispatch, the promptitude and
          rapidity with which things are done. A man may
          properly be in haste, but never in a hurry. Speed
          usually secures dispatch.
          [1913 Webster]

WordNet (r) 3.0 (2006):

haste
    n 1: overly eager speed (and possible carelessness); "he soon
         regretted his haste" [syn: haste, hastiness, hurry,
         hurriedness, precipitation]
    2: the act of moving hurriedly and in a careless manner; "in his
       haste to leave he forgot his book" [syn: haste, hurry,
       rush, rushing]
    3: a condition of urgency making it necessary to hurry; "in a
       hurry to lock the door" [syn: hurry, haste]

Moby Thesaurus II by Grady Ward, 1.0:

97 Moby Thesaurus words for "haste":
   air speed, alacrity, anxiety, barrel, beeline,
   breathless impatience, briskness, bucket, bustle, carelessness,
   celerity, chafing, dash, desperateness, devil-may-careness,
   dispatch, disquietude, drive, eagerness, excitement, expedition,
   expeditiousness, fastness, fleetness, flight, flit, flurry,
   forwardness, fretfulness, fretting, furiousness, ground speed,
   hasten, hastiness, heedlessness, highball, hotfoot, hotheadedness,
   hurriedness, hurry, hustle, impatience, impatientness, impetuosity,
   impetuousness, impulse, impulsiveness, instantaneousness, knots,
   lather, lightning speed, miles per hour, overeagerness,
   overenthusiasm, overhastiness, overzealousness, pace, precipitance,
   precipitancy, precipitateness, precipitation, precipitousness,
   precociousness, precocity, prematureness, prematurity, promptitude,
   promptness, quickness, rapidity, rashness, recklessness,
   restiveness, restlessness, rocket, round pace, rpm, run, rush,
   rustle, snappiness, speed, speediness, stew, suddenness, sweat,
   swift rate, swiftness, tense readiness, uneasiness, unpatientness,
   unquietness, untimeliness, urgency, velocity, wantonness,
   wildness