Deontology

/ˌdiːɒnˈtɒləd͡ʒi/ noun

noun ·Rare ·Advanced level

Meaning at a glance

  • Primary sense: Synonym of ethics (“the study of principles relating to right and wrong conduct”).
  • Grammar: deontology is listed as noun.
  • Nearest alternatives: casuistry, empiricism, golden rule, hedonism.
  • Useful contrasts: utilitarian philosophy, bentham, utilitarianism.
  • Usage evidence: [Matthew Hale] was no reformer: nothing better than an expounder: every thing stated by him was stated as he found it, or conceived it to be: no inquiries as to what it ought to be: in the eyes of lawyers—not to speak of the dupes—that is to say, as yet, the generality of non-lawyers—the is and the ought to be (or, as in Greek it would be so much better—the το ον and the το δεον, from which last, Ethics has received the more expressive name of Deontology), were one and indivisible.

How to use "deontology"

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  2. Compare nearby synonyms to make sure "deontology" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

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  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "deontology" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

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Compare nearby meanings

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Definition decision workflow

1. Identify the role

Check whether "deontology" is acting as noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

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3. Confirm with context

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Final meaning check

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When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    Synonym of ethics (“the study of principles relating to right and wrong conduct”). uncountable, usually

    "[Matthew Hale] was no reformer: nothing better than an expounder: every thing stated by him was stated as he found it, or conceived it to be: no inquiries as to what it ought to be: in the eyes of lawyers—not to speak of the dupes—that is to say, as yet, the generality of non-lawyers—the is and the ought to be (or, as in Greek it would be so much better—the το ον and the το δεον, from which last, Ethics has received the more expressive name of Deontology), were one and indivisible."

  2. 2
    Synonym of ethics (“the study of principles relating to right and wrong conduct”).; The normative ethical theory that the morality of an action is based on whether the action follows certain obligations or rules, rather than on its inherent goodness, consequences, etc. specifically, uncountable, usually

Antonyms

utilitarian philosophybenthamutilitarianism

Example

"[Matthew Hale] was no reformer: nothing better than an expounder: every thing stated by him was stated as he found it, or conceived it to be: no inquiries as to what it ought to be: in the eyes of lawyers—not to speak of the dupes—that is to say, as yet, the generality of non-lawyers—the is and the ought to be (or, as in Greek it would be so much better—the το ον and the το δεον, from which last, Ethics has received the more expressive name of Deontology), were one and indivisible."

Common questions

What does "deontology" mean?

Synonym of ethics (“the study of principles relating to right and wrong conduct”).

What is a synonym for "deontology"?

Common synonyms include: casuistry, empiricism, golden rule, hedonism, stoicism.

How do you use "deontology" in a sentence?

[Matthew Hale] was no reformer: nothing better than an expounder: every thing stated by him was stated as he found it, or conceived it to be: no inquiries as to what it ought to be: in the eyes of lawyers—not to speak of the dupes—that is to say, as yet, the generality of non-lawyers—the is and the ought to be (or, as in Greek it would be so much better—the το ον and the το δεον, from which last, Ethics has received the more expressive name of Deontology), were one and indivisible.

How do you pronounce "deontology"?

Pronounced /ˌdiːɒnˈtɒləd͡ʒi/.

Etymology

Etymology tree Proto-Indo-European *deh₁- Ancient Greek δέω (déō) Ancient Greek δεῖ (deî)lbor. Proto-Indo-European *leǵ- Ancient Greek λόγος (lógos) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor. Latin -logialbor. French -logiebor. English -logy English deontology Learned borrowing from Ancient Greek δέον (déon, “that which is binding, needful, proper, or right”) + English -ology (variant of -logy (suffix denoting a branch of learning or a study of a particular subject)). Δέον (Déon) is the neuter present participle of δεῖ (deî, “it behoves one to, it is necessary to, one must”), from δέω (déō, “to bind, tie; to fasten; to fetter”), ultimately from Proto-Indo-European *deh₁- (“to bind”). Noun sense 1 (“synonym of ethics”) was coined by the English philosopher Jeremy Bentham (1748–1832) to refer to censorial or dicastic ethics (ethics based on judgment), while noun sense 1.1 (“normative ethical theory that the morality of an action should be based on whether the action follows certain obligations or rules”) derives from the use of the word deontological by the English philosopher Charlie Dunbar Broad (1887–1971) in his book Five Types of Ethical Theory (1930).

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