deontology

[ dee-on-tol-uh-jee ]
/ ˌdi ɒnˈtɒl ə dʒi /

noun

ethics, especially that branch dealing with duty, moral obligation, and right action.

Origin of deontology

1820–30; < Greek deont- that which is binding (stem of déon, neuter present participle of deîn to bind), equivalent to de- bind + -ont- present participle suffix + -o- + -logy
Related formsde·on·to·log·i·cal [dee-on-tl-oj-i-kuh l] /diˌɒn tlˈɒdʒ ɪ kəl/, adjectivede·on·tol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for deontological (1 of 2)

deontological

/ (dɪˌɒntəˈlɒdʒɪkəl) /

adjective

philosophy (of an ethical theory) regarding obligation as deriving from reason or as residing primarily in certain specific rules of conduct rather than in the maximization of some good

British Dictionary definitions for deontological (2 of 2)

deontology

/ (ˌdiːɒnˈtɒlədʒɪ) /

noun

the branch of ethics dealing with duty, moral obligation, and moral commitment

Derived Formsdeontologist, noun

Word Origin for deontology

C19: from Greek deon duty (see deontic) + -logy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012