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. Define uncategorised. uncategorised synonyms, uncategorised pronunciation, uncategorised translation, english dictionary definition of uncategorised. adj. 1. uncategorised not categorized or sorted uncategorized, unsorted unclassified not arranged in any specific grouping based on wordnet 3.0, farlex. Dictionary entry overview: what does uncategorized mean? • uncategorized (adjective) the adjective uncategorized has 1 sense:. 1. not categorized or sorted familiarity information: uncategorized used as an adjective is very rare. Locate the word uncategorized. click edit. enter the new name of the category. change your slug in edit category. click update. now your default category will show up with the new name that you’ve changed instead of “uncategorized”. let’s go to the second way you can use to get rid of the “uncategorized” category.