Added 10 October 2026 unopened adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about unopened at Wordnik → Where our words come from → Not yet opened or unsealed. unopened Christmas presents Related Words: sealedclosedshutlockedfcbunclosednonclosednonopenopenunopedunsealedunclosable Back to today's word