Ethical theory concerned with duties and rights. (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 "deontology" in a sentence
"The term deontology is derived from the Greek deon which means binding duty."
"The word deontology derives from the Greek words for duty"
"Yet in some of his writings, Greene suggests that this weighs against deontological ethics, indicating that deontology is just a kind of rationalization of unreconstructed emotional prejudices, seeking (as Nietzsche said of Kant) “to prove, in a way that would dumbfound the common man, that the common man was right.”"