grand
n. countable B2 Upper Intermediate Oxford US //ˈɡɹænd// UK //ɡɹˈænd// grand
n. one thousand dollars or pounds. You use this word when you are talking about money in a casual way.
n. a sum of one thousand units of currency, specifically dollars or pounds. Informal in register; the plural form remains identical to the singular.
The car cost me five grand.
He managed to save ten grand over the summer to pay for his final year of university.
While the initial estimate was low, the total renovation costs eventually exceeded fifty grand once the structural issues were uncovered.
Usage
The plural form is usually 'grand' rather than 'grands' when used with a number.
Pitfall
It costs five grandsIt costs five grandWhen used as a unit of currency, the word does not take an 's' in the plural.