Spintax or Spin Syntax is a description of the process of taking a piece of content, like an article, and setting it up in a special format so that spintax enabled software programs can take that piece of content and create multiple unique, non duplicate versions of that article.

The purpose of spin syntax is that once the article has been set up in spin sytax format, it can be spun into dozens or even hundreds of unique articles much more quickly than to be able to create that many articles from scratch.

The biggest problem with spin syntax is when the proper time and quality is not put into setting up of the content, which can results in the spun output not appearing unique enough so it may be considered duplicate content by the search engines which will results in the content getting low search engine placement or even not indexed at all ...