Define uncategorized. uncategorized synonyms, uncategorized pronunciation, uncategorized translation, english dictionary definition of uncategorized. adj. 1. Uncategorized: 1 adj not categorized or sorted synonyms: uncategorised , unsorted unclassified not arranged in any specific grouping. What is the uncategorized category? in wordpress, when it comes to organizing content, tags and categories are two outstanding and commonly used features. a category refers to a taxonomy, which is used to group and select related posts together. Categorize definition, to arrange in categories or classes; classify. see more. The two biggest reasons you should avoid using “uncategorized” are fairly straightforward: it makes you seem careless, resulting in your blog appearing unprofessional. it doesn’t help your readers find the content they’re looking for. when you have blog posts listed as “uncategorized,” it simply looks like you forgot to classify the.