Source : Webster's Revised Unabridged Dictionary (1913)

Naughty \Naugh"ty\, a. [Compar. {Naughtier}; superl.
   {Naughtiest}.]
   1. Having little or nothing. [Obs.]

            [Men] that needy be and naughty, help them with thy
            goods.                                --Piers
                                                  Plowman.

   2. Worthless; bad; good for nothing. [Obs.]

            The other basket had very naughty figs. --Jer. xxiv.
                                                  2.

   3. hence, corrupt; wicked. [Archaic]

            So shines a good deed in a naughty world. --Shak.

   4. Mischievous; perverse; froward; guilty of disobedient or
      improper conduct; as, a naughty child.

   Note: This word is now seldom used except in the latter
         sense, as applied to children, or in sportive censure.

Source : WordNet®

naughty
     adj 1: suggestive of sexual impropriety; "a blue movie"; "blue
            jokes"; "he skips asterisks and gives you the gamy
            details"; "a juicy scandal"; "a naughty wink";
            "naughty words"; "racy anecdotes"; "a risque story";
            "spicy gossip" [syn: {blue}, {gamy}, {gamey}, {juicy},
             {racy}, {risque}, {spicy}]
     2: badly behaved; "he was saucy and mischievous in school"; "a
        naughty boy" [syn: {mischievous}]
     [also: {naughtiest}, {naughtier}]