do one's duty


Do one's tasks or what is expected of one. For example, He was only doing his duty when he made the children finish their work. [Early 1500s]

Words Nearby do one's duty

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.