What is obstinant?

The spelling of the word "obstinant" is likely a typo or misspelling of the word "obstinate," which is an adjective used to describe someone who is stubborn and refuses to change their attitude or behavior despite being urged or prompted otherwise. The term can be used to describe a person or an animal that is difficult to train or control. It can also be used to describe something that is hard to overcome or change, such as an obstinate problem or challenge. Synonyms for obstinate include stubborn, mulish, recalcitrant, and headstrong.