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. Synonyms for uncategorized in free thesaurus. antonyms for uncategorized. 2 synonyms for uncategorized: uncategorised, unsorted. what are synonyms for uncategorized?. Uncategorized. taking art to the people. exhibitions. heliopolis sp brazil 2019; vantaa art museum finland 2019; lagos 2018; los angeles 2018; berlin 2018; sao paulo. Categorize definition, to arrange in categories or classes; classify. see more.