be dishonest, play false
, break one's word, break one's faith, break one's promise, jilt, betray, forswear, shuffle, live by one's wits, sail near the wind, disgrace oneself, dishonor oneself, demean oneself, derogate, stoop, grovel, sneak, lose caste, sell oneself, go over to the enemy, seal one's infamy.
be false, be a liar, speak falsely, tell a lie, lie, fib, lie like a trooper, swear false, forswear, perjure oneself, bear false witness, misstate, misquote, miscite, misreport, misrepresent, belie, falsify, pervert, distort, put a false construction upon (misinterpret), prevaricate, equivocate, quibble, palter, palter to the understanding, repondre en Normand, trim, shuffle, fence, mince the truth, beat about the bush, blow hot and cold, play fast and loose, garble, gloss over, disguise, give a color to, give a gloss, put a gloss, put false coloring upon, color, varnish, cook, dress up, embroider, varnish right and puzzle wrong, exaggerate, blague, invent, fabricate, trump up, get up, force, fake, hatch, concoct, romance, cry 'wolf!', dissemble, dissimulate, feign, assume, put on, pretend, make believe, play possum, play false
, play a double game, coquet, act a part, play a part, affect, simulate, pass off for, counterfeit, sham, make a show of, malinger, say the grapes are sour, cant, play the hypocrite, sham Abraham, faire pattes de velours, put on the mask, clean the outside of the platter, lie like a conjuror, hand out false colors, hold out false colors, sail under false colors, commend the poisoned chalice to the lips, ambiguas in vulgum spargere voces, deceive.