strong headed

Could strong headed be related to obstinate when we want to describe a stubbornness person? I personally don’t think so. What do you think?

Here’s the definition:

Strongheaded = headstrong, stubborn, obstinate.


I couldn’t look it up because I need to activate my Merriam-Webster Unabridged FREE TRIAL beforehand.

Thanks for relating the other more obvious words whose meaning is equivalent to strong-headed for my full understanding.
My initial thought was that hardheaded is the best suit or headstrong to be the one.