1. (n.) One who prevaricates.

2. (n.) A sham dealer; one who colludes with a defendant in a sham prosecution.

3. (n.) One who betrays or abuses a trust.

Ananias Baron Munchausen Father of Lies Satan Sir John Mandeville captious critic caviler consummate liar dirty liar equivocator fabricator fabulist false witness falsifier fibber fibster habitual liar hairsplitter hedger liar mystificator mystifier mythomaniac nitpicker obscurantist palterer pathological liar perjurer pettifogger picayune critic pseudologist pseudologue pussyfoot pussyfooter quibbler shuffler spinner of yarns storyteller tergiversator yarn spinner yarner