Not pleaded.
Mid 17th century; earliest use found in John Humfrey (bap. 1621, d. 1719), clergyman and ejected minister. From un- + pleaded.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。