Standard Lemma guide

homoousian

adj · noun · 2 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

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  • /hɒməʊˈuːzɪən/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Having the same essence or substance, especially with reference to the first and second persons of the Trinity (Father and Son).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: consubstantial

Antonyms: none provided

2

noun

Meaning 2

One of those, in the 4th century, who accepted the Nicene Creed and maintained that the Son had the same essence or substance with the Father.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Ancient Greek ὁμοούσιος (homooúsios) + -an, from ὁμός (homós, “same”) + οὐσία (ousía, “essence”).