backstabverb to attack someone (especially verbally) unfairly cheatverb violate rules to gain advantage cozenverb archaic: to cheat, defraud deceiveverb trick or mislead defraudverb to obtain money or property by fraud double-crossverb to betray or go back on dupeverb to swindle, deceive, or trick go back onverb be treacherous or faithless to; betray hoaxverb to deceive with a hoax rip off(idiom) to steal, cheat or swindle verb shortchangeverb to deprive someone of something for which they paid |