<p><strong>Adjective</strong></p><ul><li>inserted in the same envelope or package: Complete the enclosed contribution form and mail with your check or credit card information to the address below.</li><li>surrounded or shut in on all sides: The dogs like to hang out in the enclosed section outside the kennels.</li></ul><p><strong>Verb</strong></p><ul><li>the simple past tense and past participle of enclose.</li></ul>