Thesaurus Dictionary
Synonyms and antonyms of Overcharging and underpaying money in British Thesaurus
Overcharging and underpaying money
short-change (verb)
if someone short-changes you, they do not give you back enough money when you pay them more than the price of something
stiff (verb)
Americaninformal to not pay someone money that you owe them, especially by not leaving any money as a tip in a restaurant