From WordNet (r) 3.0 (2006):
cheat
n 1: weedy annual grass often occurs in grainfields and other
cultivated land; seeds sometimes considered poisonous [syn:
darnel, tare, bearded darnel, cheat, Lolium
temulentum]
2: weedy annual native to Europe but widely distributed as a
weed especially in wheat [syn: chess, cheat, Bromus
secalinus]
3: someone who leads you to believe something that is not true
[syn: deceiver, cheat, cheater, trickster,
beguiler, slicker]
4: the act of swindling by some fraudulent scheme; "that book is
a fraud" [syn: swindle, cheat, rig]
5: a deception for profit to yourself [syn: cheat, cheating]
v 1: deprive somebody of something by deceit; "The con-man beat
me out of $50"; "This salesman ripped us off!"; "we were
cheated by their clever-sounding scheme"; "They chiseled me
out of my money" [syn: cheat, rip off, chisel]
2: defeat someone through trickery or deceit [syn: cheat,
chouse, shaft, screw, chicane, jockey]
3: engage in deceitful behavior; practice trickery or fraud;
"Who's chiseling on the side?" [syn: cheat, chisel]
4: be sexually unfaithful to one's partner in marriage; "She
cheats on her husband"; "Might her husband be wandering?"
[syn: cheat on, cheat, cuckold, betray, wander]