The Collaborative International Dictionary of English v.0.48:

phoney \pho"ney\ (f[=o]"n[=e]), a. [Also spelled phony.]
   [Compar. phonier; superl. phoniest.]
   1. Imitating something superior; intended to deceive;
      fraudulent; having a misleading appearance; not genuine;
      false; counterfeit; fake; as, a phoney diamond; a phoney
      hundred-dollar bill.

   Syn: bogus, counterfeit, fake, ersatz; fraudulent; false.
        [PJC]

   2. Pretending to be other than one is; putting on false
      appearances; insincere; hypocritical; -- of people.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

phoney \pho"ney\ (f[=o]"n[=e]), n.
   Something or someone that is phoney. [Also spelled phony.]
   [PJC]

The Collaborative International Dictionary of English v.0.48:

phony \pho"ny\ (f[=o]"n[=e]), a. [Also spelled phoney.]
   [Compar. phonier; superl. phoniest.]
   1. imitating something superior; intended to deceive;
      fraudulent; having a misleading appearance; not genuine;
      counterfeit; fake; as, a phony diamond; a phony
      hundred-dollar bill.

   Syn: phoney, bogus, counterfeit, fake.
        [PJC]

   2. Pretending to be other than one is; putting on false
      appearances; insincere; hypocritical; -- of people.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

phony \pho"ny\ (f[=o]"n[=e]), n.
   Something or someone that is phony. [Also spelled phoney.]
   [PJC]

WordNet (r) 3.0 (2006):

phoney
    adj 1: fraudulent; having a misleading appearance [syn: bogus,
           fake, phony, phoney, bastard]
    n 1: a person who professes beliefs and opinions that he or she
         does not hold in order to conceal his or her real feelings
         or motives [syn: hypocrite, dissembler, dissimulator,
         phony, phoney, pretender]

Moby Thesaurus II by Grady Ward, 1.0:

35 Moby Thesaurus words for "phoney":
   artificial, bogus, charlatan, counterfeit, counterfeiter,
   deceitful, deceiver, dishonest, double-dealer, ersatz, factitious,
   fake, faker, false, forgery, fraud, fraudulent, hoax, humbug,
   hypocritical, imitation, impostor, insincere, mock, mountebank,
   paste, phony, pretended, pretender, quack, sham, spurious,
   synthetic, trickster, unreal