Standard Lemma guide

hebdomad

noun · 4 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.

  • General-American, Received-Pronunciation: /ˈhɛbdəmæd/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A group of seven.

Definition source: English Wiktionary via Wiktextract

Usage: obsolete

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A period of seven days; a week.

Definition source: English Wiktionary via Wiktextract

Usage: historical

Topics: Christianity

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A group of seven world-creating archons (supernatural beings) often regarded as somewhat hostile; also, a term of address for the Demiurge (“a being sometimes seen as the creator of evil”).

Definition source: English Wiktionary via Wiktextract

Topics: Gnosticism, lifestyle, religion

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

any period of seven consecutive days

Definition source: Princeton WordNet 3.0

Examples

  • it rained for a week

Meaning relationships

Synonyms: week

Antonyms: none provided

Broader terms: time period, period of time, period

Narrower terms: week from Monday, rag, rag week, Holy Week, Passion Week, shiva, shivah, shibah

History

Etymology

From Late Latin hebdomada (“number seven; group of seven; seven days”), hebdomas (“number seven; seven days; seventh day”), from Ancient Greek ἑβδομάς (hebdomás, “group of seven, especially seven days or seven years”), from ἕβδομος (hébdomos, “seventh”) + -ᾰ́ς (-ắs, suffix forming abstract nouns of number from numerals). The word is cognate with French hebdomadaire, hebdo (“weekly periodical”), hebdomadairement (“weekly”), Portuguese hebdomadário (“weekly periodical”), Spanish hebdomadario (“weekly; weekly periodical; hebdomadary”).