The Collaborative International Dictionary of English v.0.48:

Much \Much\, n.
   1. A great quantity; a great deal; also, an indefinite
      quantity; as, you have as much as I.
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            He that gathered much had nothing over. --Ex. xvi.
                                                  18.
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   Note: Muchin this sense can be regarded as an adjective
         qualifying a word unexpressed, and may, therefore, be
         modified by as, so, too, very.
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   2. A thing uncommon, wonderful, or noticeable; something
      considerable.
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            And [he] thought not much to clothe his enemies.
                                                  --Milton.
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   To make much of, to treat as something of especial value or
      worth.
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The Collaborative International Dictionary of English v.0.48:

Much \Much\ (m[u^]ch), a. [Compar. & superl. wanting, but
   supplied by More (m[=o]r), and Most (m[=o]st), from
   another root.] [OE. moche, muche, miche, prob. the same as
   mochel, muchel, michel, mikel, fr. AS. micel, mycel; cf. Gr.
   me`gas, fem. mega`lh, great, and Icel. mj["o]k, adv., much.
   [root]103. See Mickle.]
   1. Great in quantity; long in duration; as, much rain has
      fallen; much time.
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            Thou shalt carry much seed out into the field, and
            shalt gather but little in.           --Deut.
                                                  xxviii. 38.
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   2. Many in number. [Archaic]
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            Edom came out against him with much people. --Num.
                                                  xx. 20.
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   3. High in rank or position. [Obs.] --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Much \Much\, adv. [Cf. Icel. mj["o]k. See Much, a.]
   To a great degree or extent; greatly; abundantly; far;
   nearly. "Much suffering heroes." --Pope.
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         Thou art much mightier than we.          --Gen. xxvi.
                                                  16.
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         Excellent speech becometh not a fool, much less do
         lying lips a prince.                     --Prov. xvii.
                                                  7.
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         Henceforth I fly not death, nor would prolong
         Life much.                               --Milton.
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         All left the world much as they found it. --Sir W.
                                                  Temple.
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WordNet (r) 3.0 (2006):

much
    adv 1: to a great degree or extent; "she's much better now"
    2: very; "he was much annoyed"
    3: to a very great degree or extent; "I feel a lot better"; "we
       enjoyed ourselves very much"; "she was very much interested";
       "this would help a great deal" [syn: a lot, lots, a good
       deal, a great deal, much, very much]
    4: (degree adverb used before a noun phrase) for all practical
       purposes but not completely; "much the same thing happened
       every time"; "practically everything in Hinduism is the
       manifestation of a god" [syn: much, practically]
    5: frequently or in great quantities; "I don't drink much"; "I
       don't travel much" [syn: much, a great deal, often]
    adj 1: (quantifier used with mass nouns) great in quantity or
           degree or extent; "not much rain"; "much affection";
           "much grain is in storage" [ant: little(a), slight]
    n 1: a great amount or extent; "they did much for humanity"