[syn: cheating(a), dirty, foul, unsporting, unsportsmanlike]
The Collaborative International Dictionary of English v.0.48:
Cheat \Cheat\, v. t. [imp. & p. p. Cheated; p. pr. & vb. n.
   Cheating.] [See Cheat, n., Escheat.]
   1. To deceive and defraud; to impose upon; to trick; to
      swindle.
      [1913 Webster]
            I am subject to a tyrant, a sorcerer, that by his
            cunning hath cheated me of this island. --Shak.
      [1913 Webster]
   2. To beguile. --Sir W. Scott.
      [1913 Webster]
            To cheat winter of its dreariness.    --W. Irving.
   Syn: To trick; cozen; gull; chouse; fool; outwit; circumvent;
        beguile; mislead; dupe; swindle; defraud; overreach;
        delude; hoodwink; deceive; bamboozle.
        [1913 Webster]
WordNet (r) 3.0 (2006):
cheating
    adj 1: not faithful to a spouse or lover; "adulterous husbands
           and wives"; "a two-timing boyfriend" [syn: adulterous,
           cheating(a), two-timing(a)]
    2: violating accepted standards or rules; "a dirty fighter";
       "used foul means to gain power"; "a nasty unsporting serve";
       "fined for unsportsmanlike behavior" [syn: cheating(a),
       dirty, foul, unsporting, unsportsmanlike]
    n 1: a deception for profit to yourself [syn: cheat,
         cheating]