One who imposes tasks, especially burdensome or laborious ones.(noun)
A source of burden or responsibility: The profession of medicine is a stern taskmaster. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "taskmaster" in a sentence
"My appointment with RFK, well known as a taskmaster who kept long hours, had been scheduled for 8:00 p.m."
"The woman who could become America's next first lady is teasingly called the taskmaster by her friends, her task tonight, to sell themselves as an attractive first couple."
"Williams is known as a taskmaster, and the fact that he would allow his team to snarkily trash talk the Tarheels before heading to the Dean Dome after"