Tom isn't stubborn like you are.

Tom is as stubborn as Mary.

He was stubborn.

He is stubborn, though honest.

They stubbed their toes.

You know I'm very stubborn.

Originally, you were very stubborn.

Why don't you quit being so stubborn and instead try to make up with him?

I was shocked at how rude, stubborn, and arrogant that Frenchman was.

Tom is as stubborn as a donkey.