Definitions for "Obstinacy"
A fixedness in will, opinion, or resolution that can not be shaken at all, or only with great difficulty; firm and usually unreasonable adherence to an opinion, purpose, or system; unyielding disposition; stubborness; pertinacity; persistency; contumacy.
resolute adherence to your own ideas or desires
Keywords:  stubbornness
The quality or state of being difficult to remedy, relieve, or subdue; as, the obstinacy of a disease or evil.
the trait of being difficult to handle or overcome
The obstinacy of Israel is a frequent theme especially in the prophets. God will correct his people with punishment ut not desert them.