deontological

adj

"deontological" is a 13-letter English headword indexed on PlainSpell.

The verdict

“deontological” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of or relating to deontology.

Corpus desk

Index EN-deontological · deontological · English

deontological · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for deontological
PropertyValue
Headworddeontological
LanguageEnglish
Part of speechAdjective
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “deontological” in English

deontologicalsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

deontological is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of or relating to deontology.".

We couldn't generate a plausible misspelling set for deontological, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From deontology + -ical (1832). The specialised sense in normative ethics is due to C. D. Broad (1930). The correct English form is deontological, spelled D-E-O-N-T-O-L-O-G-I-C-A-L.

Definition

  1. 1
    Of or relating to deontology.

Recorded use

Wiktionary example

These source excerpts show how deontological appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Deontological theories hold that there are ethical propositions of the form: 'Such and such a kind of action would always be right (or wrong) in such and such circumstances, no matter what its consequences might be.'

Etymology

From deontology + -ical (1832). The specialised sense in normative ethics is due to C. D. Broad (1930).

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "deontological"?
"deontological" is spelled D-E-O-N-T-O-L-O-G-I-C-A-L.
What does "deontological" mean?
As an adjective, "deontological" means: Of or relating to deontology.
What is the origin of the word "deontological"?
From deontology + -ical (1832). The specialised sense in normative ethics is due to C. D. Broad (1930). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list