Hardheaded and stubborn can mean the same thing. They are synonyms. Hardheaded can also mean realistic and pragmatic, but usually it means stubborn. If someone is stubborn they could be called hardheaded and vis-versa
A hard head (or hardheaded) means someone that is stubborn, or basically doesn't listen to anyone but themselves. -Brett
Stubborn?
The first one (you are stubborn) is an opinion statement. The second one is a factual statement.
When you are determined you are pushing yourself to complete or succeed in a challenging task. When you are stubborn you think that everyone else is wrong and that what you say or do is the only thing that matters.
I'd suggest the distinct difference is one's tolerance to others' opinions arguments, and attitudes insofar one can easily express tolerance of others and be stubborn yet being a tolerant bigot is an oxymoron.
It means that you're stubborn or hardheaded. it means your a dweeb who should be taken to the institute and never seen again!
narg weted the bed
hammer
This question, which could have been posted by a woman (who may, herself, be hardheaded), assumes that all men are hardheaded, which is not the case. Hardheadedness is a human trait. It might be argued that it is more common in males, but they are not uniformly so affected. Additionally, hardheadedness is not exclusive to men.
The Jordanian army is stubborn but always well prepared, as for the mesopotomian army, it always struck into battle without training.
No seas tan terco/a.
The noun form of the adjective 'stubborn' is stubbornness.