false witness

from WordNet (r) 3.0 (2006)

false witness
    n 1: a person who deliberately gives false testimony [syn:
         {perjurer}, {false witness}]

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "false witness":
      Ananias, Baron Munchausen, Father of Lies, Satan,
      Sir John Mandeville, consummate liar, dirty liar, equivocator,
      fabricator, fabulist, falsifier, fibber, fibster, frame, frame-up,
      habitual liar, liar, mythomaniac, palterer, pathological liar,
      perjurer, prevaricator, pseudologist, pseudologue, put-up job,
      spinner of yarns, storyteller, yarn spinner, yarner