What is another word for unrigorous?
Pronunciation: [ʌnɹˈɪɡəɹəs] (IPA) 
The word unrigorous refers to something that is not strict, thorough or systematic. It suggests that there is a lack of discipline, precision or accuracy in a particular process or system. Synonyms for unrigorous include sloppy, loose, careless, haphazard, disorganized, unorganized, lax, casual, informal, and cursory. These words are often used interchangeably to describe something that is done without much attention to detail, or without following a strict set of rules or guidelines. When something is done in an unrigorous manner, it can lead to mistakes, errors or oversights, and it can also undermine the quality and reliability of the end result.
