Standard Lemma guide

duodecimate

noun · verb · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: dyo͞o'ōdĕʹsĭmət
  • Received-Pronunciation: /ˌdjuːəʊˈdɛsɪmət/
  • US: Recorded audio is listed in the source snapshot.
  • Received-Pronunciation: dyo͞o'ōdĕʹsĭmāt
  • Received-Pronunciation: /ˌdjuːəʊˈdɛsɪmeɪt/

1

noun

Meaning 1

Synonym of duodecimvirate: a group of twelve.

Definition source: English Wiktionary via Wiktextract

Usage: no-plural, rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: duodecimvirate

Antonyms: none provided

2

verb

Meaning 2

To kill one twelfth of a group of people, especially by lot.

Definition source: English Wiktionary via Wiktextract

Usage: rare

Qualifier: attested in the past participle only

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To divide into twelfths; to divide duodecimally.

Definition source: English Wiktionary via Wiktextract

Usage: rare

Qualifier: attested in the past participle only

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Latin duodecimatus, from duodecim (“twelve”) + -ātus (“-ate”).

Either from the Latin duodecimō (“to take one twelfth”) or an alteration of the Latin duodecimus (“twelfth”) by analogy with decimate.