THESAURUS
Greek
Aesopian language, Babel, affiliate, argot, associate, babble, belonger, brother, cant, card-carrier, card-carrying member, cardholder, charter member, cipher, clubber, clubman, clubwoman, code, committeeman, comrade, conventioneer, conventioner, conventionist, cryptogram, double Dutch, drivel, dues-paying member, enlistee, enrollee, fellow, fraternity man, garble, gibberish, gift of tongues, glossolalia, gobbledygook, guildsman, honorary member, initiate, insider, jabber, jabberwocky, jargon, joiner, jumble, life member, member, noise, nonsense, one of us, pledge, scramble, secret language, sister, skimble-skamble, slang, socius, sorority girl, sorority woman
ROGET THESAURUS
Greek
Thief
N
thief, robber, homo triumliterarum, pilferer, rifler, filcher, plagiarist, spoiler, depredator, pillager, marauder, harpy, shark, land shark, falcon, mosstrooper, bushranger, Bedouin, brigand, freebooter, bandit, thug, dacoit, pirate, corsair, viking, Paul Jones, buccaneer, buccanier, piqueerer, pickeerer, rover, ranger, privateer, filibuster, rapparee, wrecker, picaroon, smuggler, poacher, abductor, badger, bunko man, cattle thief, chor, contrabandist, crook, hawk, holdup man, hold-up, jackleg, kidnaper, rustler, cattle rustler, sandbagger, sea king, skin, sneak thief, spieler, strong-arm man, highwayman, Dick Turpin, Claude Duval, Macheath, footpad, sturdy beggar, cut purse, pick purse, pickpocket, light-fingered gentry, sharper, card sharper, skittle sharper, thimblerigger, rook,
Greek, blackleg, leg, welsher, defaulter, Autolycus, Jeremy Diddler, Robert Macaire, artful dodger, trickster, swell mob, chevalier d'industrie, shoplifter, swindler, peculator, forger, coiner, fence, receiver of stolen goods, duffer, smasher, burglar, housebreaker, cracksman, magsman, Bill Sikes, Jack Sheppard, Jonathan Wild, gang, gang of thieves, theft ring, organized crime, mafia, the Sicilian Mafia, the mob, la cosa nostra, Dillinger, Al Capone, Robin Hood.
Unintelligibility
N
unintelligibility, incomprehensibility, imperspicuity, inconceivableness, vagueness, obscurity, ambiguity, doubtful meaning, uncertainty, perplexity, spinosity, obscurum per obscurius, mystification, latency, transcendentalism, paradox, oxymoron, riddle, enigma, puzzle, diagnus vindice nodus, sealed book, steganography, freemasonry, pons asinorum, asses' bridge, high Dutch,
Greek, Hebrew, jargon, unintelligible, unaccountable, undecipherable, undiscoverable, unknowable, unfathomable, incognizable, inexplicable, inscrutable, inapprehensible, incomprehensible, insolvable, insoluble, impenetrable, illegible, as
Greek to one, unexplained, paradoxical, enigmatic, enigmatical, puzzling (secret), indecipherable, obscure, dark, muddy, clear as mud, seen through a mist, dim, nebulous, shrouded in mystery, opaque, dense, undiscernible, misty, hidden, latent, indefinite, garbled, perplexed, undetermined, vague, loose, ambiguous, mysterious, mystic, mystical, acroamatic, acroamatical, metempirical, transcendental, occult, recondite, abstruse, crabbed, inconceivable, inconceptible, searchless, above comprehension, beyond comprehension, past comprehension, beyond one's depth, unconceived, inexpressible, undefinable, incommunicable, unpredictable, unforeseeable, it's
Greek to me.