v. t. & i. [ 1st pref. un- + close. ] 1. To open; to separate the parts of; as, to unclose a letter; to unclose one's eyes. [ 1913 Webster ]

2. To disclose; to lay open; to reveal. [ 1913 Webster ]

a. [ Pref. un- not + closed. ] 1. Not separated by inclosures; open. Clarendon. [ 1913 Webster ]

2. Not finished; not concluded. [ R. ] Madison. [ 1913 Webster ]

3. Not closed; not sealed; open. Byron. [ 1913 Webster ]