impostor

from WordNet (r) 3.0 (2006)
impostor
    n 1: a person who makes deceitful pretenses [syn: {imposter},
         {impostor}, {pretender}, {fake}, {faker}, {fraud}, {sham},
         {shammer}, {pseudo}, {pseud}, {role player}]
    
from The Collaborative International Dictionary of English v.0.48
Impostor \Im*pos"tor\, n. [L. impostor a deceiver, fr. imponere
   to impose upon, deceive. See {Impone}.]
   One who imposes upon others; a person who assumes a character
   or title not his own, for the purpose of deception; a
   pretender. "The fraudulent impostor foul." --Milton.

   Syn: Deceiver; cheat; rogue. See {Deceiver}.
        [1913 Webster]
    
from The Devil's Dictionary (1881-1906)
IMPOSTOR n.  A rival aspirant to public honors.
    
from Moby Thesaurus II by Grady Ward, 1.0
85 Moby Thesaurus words for "impostor":
      ape, beguiler, blagueur, bluff, bluffer, charlatan, cheat,
      clinquant, con man, confidence man, conformist, copier, copycat,
      copyist, counterfeit, counterfeiter, cuckoo, deceiver, dissembler,
      dissimulator, dummy, echo, echoer, echoist, fake, fakement, faker,
      flimflam man, forger, forgery, fourflusher, frame-up, fraud, hoax,
      humbug, hypocrite, imitation, imitator, impersonator, imposter,
      junk, malingerer, mime, mimer, mimic, mimicker, misleader, mock,
      mocker, mockingbird, monkey, mountebank, parrot, paste,
      pettifogger, phony, pinchbeck, plagiarist, poll-parrot, polly,
      polly-parrot, poser, poseur, pretender, put-on, put-up job, quack,
      quacksalver, quackster, ringer, rip-off, saltimbanco, sham,
      shammer, shark, sheep, shoddy, shyster, simulacrum, simulator,
      swindle, swindler, tinsel, trickster, whited sepulcher

    

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