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1. Something that is a counterfeit; not what it seems to be
   - fake, postiche
    
2. A person who makes deceitful pretences
   - imposter, impostor, pretender, fake, faker, fraud, shammer, pseudo, pseud, role player

1. Make a pretence of
   "She shammed indifference, even though she was seething with anger";
   - simulate, assume, feign
    
2. Make believe with the intent to deceive
   "He shammed a headache";
   - feign, pretend, affect, dissemble

1. Adopted in order to deceive
   "sham modesty";
   - assumed, false, fictitious, fictive, pretended, put on

Derived forms: shamming, shammed, shams

See also: counterfeit, imitative

Type of: act, beguiler, belie, cheat, cheater, deceiver, dissemble, imitation, misrepresent, pretend, slicker [informal], trickster

Encyclopedia: Sham, Iran