cheat:
(plural: ‘cheats‘; pronunciation: the letters ‘ch’ rhyme with the letters ‘ch’ in “church” — for the right pronunciation, please click here)

a cheat (the woman cheating on her husband)
a person who tells lies and/or shows illegal or imitation things (not real or original things) to get profit or more advantage;
a person who does something in a wrong way secretly to get more benefit;
a dishonest person; a fraud; a gypper,

a cheat (a student cribbing in an exam)
A student who cribs in the examination is a cheat.
A person who cheats on his/her spouse, i.e. a husband who has sex with another woman or a wife who has sex with another man secretly, is a cheat and is punishable by the law.
A lady customer to a shopkeeper who sold low quality items at high prices: “You cheat! You said these things are of excellent quality…!”

cheat/cheat grass (a kind of grass plant)
