The Collaborative International Dictionary of English v.0.48:

Drink \Drink\ (dr[i^][ng]k), v. i. [imp. Drank (dr[a^][ng]k),
   formerly Drunk (dr[u^][ng]k); & p. p. Drunk, Drunken
   (-'n); p. pr. & vb. n. Drinking. Drunken is now rarely
   used, except as a verbal adj. in sense of habitually
   intoxicated; the form drank, not infrequently used as a p.
   p., is not so analogical.] [AS. drincan; akin to OS. drinkan,
   D. drinken, G. trinken, Icel. drekka, Sw. dricka, Dan.
   drikke, Goth. drigkan. Cf. Drench, Drunken, Drown.]
   1. To swallow anything liquid, for quenching thirst or other
      purpose; to imbibe; to receive or partake of, as if in
      satisfaction of thirst; as, to drink from a spring.
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            Gird thyself, and serve me, till have eaten and
            drunken; and afterward thou shalt eat and drink.
                                                  --Luke xvii.
                                                  8.
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            He shall drink of the wrath the Almighty. --Job xxi.
                                                  20.
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            Drink of the cup that can not cloy.   --Keble.
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   2. To quaff exhilarating or intoxicating liquors, in
      merriment or feasting; to carouse; to revel; hence, to
      lake alcoholic liquors to excess; to be intemperate in the
      ?se of intoxicating or spirituous liquors; to tipple.
      --Pope.
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            And they drank, and were merry with him. --Gem.
                                                  xliii. 34.
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            Bolingbroke always spoke freely when he had drunk
            freely.                               --Thackeray.
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   To drink to, to salute in drinking; to wish well to, in the
      act of taking the cup; to pledge in drinking.
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            I drink to the general joy of the whole table,
            And to our dear friend Banquo.        --Shak.
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The Collaborative International Dictionary of English v.0.48:

Drunken \Drunk"en\, a. [AS. druncen, prop., that has drunk, p.
   p. of drincan, taken as active. See Drink, v. i., and cf.
   Drunk.]
   1. Overcome by strong drink; intoxicated by, or as by,
      spirituous liquor; inebriated.
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            Drunken men imagine everything turneth round. --
                                                  Bacon.
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   2. Saturated with liquid or moisture; drenched.
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            Let the earth be drunken with our blood. -- Shak.
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   3. Pertaining to, or proceeding from, intoxication.
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            The drunken quarrels of a rake.       -- Swift.
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WordNet (r) 3.0 (2006):

drunken
    adj 1: given to or marked by the consumption of alcohol; "a
           bibulous fellow"; "a bibulous evening"; "his boozy
           drinking companions"; "thick boozy singing"; "a drunken
           binge"; "two drunken gentlemen holding each other up";
           "sottish behavior" [syn: bibulous, boozy, drunken,
           sottish]