Added 10 October 2026 unclassified adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about unclassified at Wordnik → Where our words come from → Not subject to a security classification. Not arranged in any specific grouping. Related Words: unsorteduncategorizedunrestrictednonsensitivedeclassifiedunratedindeterminateundeterminedunlimitedclassifycategorizeclassified Back to today's word