balls
n. uncountable C1 Advanced US //ˈbɔɫz// UK //bˈɔːlz// balls
n. a lot of courage or confidence. You use this word when someone is very brave or does something risky. It is quite informal and can be a bit rude.
n. courage, determination, or audacity. Informal and vulgar in register; often used to describe a person's willingness to take significant risks or confront authority.
It took a lot of balls to say that to the boss.
Everyone knew the plan was dangerous, but he had the balls to try it anyway.
While his critics called it reckless, his supporters admired the sheer balls it took to challenge the industry's most powerful figures in such a public forum.
Usage
Always used in the plural form when referring to courage, despite being uncountable in this sense.