Word Study
shyster
CIDE DICTIONARY
shyster, n. [Perh. from G. scheisse excrement.].
A trickish knave; one who carries on any business, especially legal business, in a mean and dishonest way. [1913 Webster]
OXFORD DICTIONARY
shyster, n. esp. US colloq. a person, esp. a lawyer, who uses unscrupulous methods.
Etymology
19th c.: orig. uncert.
THESAURUS
shyster
Artful Dodger, Philadelphia lawyer, Yankee horse trader, ambulance chaser, blackguard, bunco artist, bunco steerer, cardsharp, cardsharper, carpetbagger, charmer, con artist, con man, confidence man, crafty rascal, crimp, devil, dodger, fox, glib tongue, horse coper, horse trader, jackleg, knave, land pirate, land shark, land-grabber, lawyer, mortgage shark, pettifogger, petty, pitchman, precious rascal, rapscallion, rascal, reynard, rogue, scalawag, scamp, scoundrel, shark, sharp, sharper, sharpie, shortchanger, slick citizen, slicker, sly dog, slyboots, sneak, spalpeen, spieler, sweet talker, swindler, trickster, villainROGET THESAURUS
shyster
Knave
N knave, rogue, Scapin, rascal, Lazarillo de Tormes, bad man, blackguard, barrater, barrator, shyster, traitor, betrayer, archtraitor, conspirator, Judas, Catiline, reptile, serpent, snake in the grass, wolf in sheep's clothing, sneak, Jerry Sneak, squealer, tell-tale, mischief-maker, trimmer, fence-sitter, renegade, truant, recreant, sycophant.For further exploring for "shyster" in Webster Dictionary Online