As defined by Merriam-Webster dictionary
- positiveness in assertion of opinion especially when unwarranted or arrogant
- a viewpoint or system of ideas based on insufficiently examined premises 
As manifested in academia
Tim Ball wrote:
- Sadly, my experience is that universities are the most dogmatic and oppressive places in our society. This becomes progressively worse as they receive more and more funding from governments that demand a particular viewpoint.