- firmly or stubbornly adhering to one's purpose, opinion, etc.; not yielding to argument, persuasion, or entreaty.
- characterized by inflexible persistence or an unyielding attitude; inflexibly persisted in or carried out:obstinate advocacy of high tariffs.
- not easily controlled or overcome: the obstinate growth of weeds.
- not yielding readily to treatment, as a disease.
- adhering fixedly to a particular opinion, attitude, course of action, etc
- self-willed or headstrong
- difficult to subdue or alleviate; persistent
