Mid 17th century; earliest use found in William Whately (1583–1639), Church of England clergyman and puritan preacher. From un- + purposedly, after unpurposed.
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。