Source : Webster's Revised Unabridged Dictionary (1913)

Crooked \Crook"ed\ (kr??k"?d), a.
   1. Characterized by a crook or curve; not straight; turning;
      bent; twisted; deformed. ``Crooked paths.'' --Locke.

            he is deformed, crooked, old, and sere. --Shak.

   2. Not straightforward; deviating from rectitude; distorted
      from the right.

            They are a perverse and crooked generation. --Deut.
                                                  xxxii. 5.

   3. False; dishonest; fraudulent; as, crooked dealings.

   {Crooked whisky}, whisky on which the payment of duty has
      been fraudulently evaded. [Slang, U.S.] --Barlett.

Crook \Crook\ (kr??k), v. t. [imp. & p. p. {Crooked} (kr??kt);
   p. pr. & vb. n. {Crooking}.] [OE. croken; cf. Sw. kr?ka, Dan.
   kr?ge. See Crook, n.]
   1. To turn from a straight line; to bend; to curve.

            Crook the pregnant hinges of the knee. --Shak.

   2. To turn from the path of rectitude; to pervert; to
      misapply; to twist. [Archaic]

            There is no one thing that crooks youth more than
            such unlawfull games.                 --Ascham.

            What soever affairs pass such a man's hands, he
            crooketh them to his own ends.        --Bacon.

Source : WordNet®

crooked
     adj 1: having or marked by bends or angles; not straight or
            aligned; "crooked country roads"; "crooked teeth"
            [ant: {straight}]
     2: not straight; dishonest or immoral or evasive [syn: {corrupt}]
        [ant: {straight}]
     3: irregular in shape or outline; "asymmetrical features"; "a
        dress with an crooked hemline" [syn: {asymmetrical}]
     4: having the back and shoulders rounded; not erect; "a little
        oldish misshapen stooping woman" [syn: {hunched}, {round-backed},
         {round-shouldered}, {stooped}, {stooping}]