1Active, operative; effectual. rare after 17th cent.
2Characterized by, involving, or given to (hard) work; industrious, diligent.
Old English. From work + -ful.
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。