homoousian: meaning, definition, pronunciation and examples
Very LowAcademic/Technical (Historical Theology)
Quick answer
What does “homoousian” mean?
Of or relating to the Christian doctrine that Jesus Christ is of the same substance or essence as God the Father.
Audio
Pronunciation
Definition
Meaning and Definition
Of or relating to the Christian doctrine that Jesus Christ is of the same substance or essence as God the Father.
A person who adheres to the doctrine that the Son is consubstantial (of the same substance) with the Father. More generally, it can refer to any belief in sameness or identity of substance, though this is rare.
Dialectal Variation
British vs American Usage
Differences
No significant regional differences exist. Usage is identical and confined to the same narrow academic/ecclesiastical contexts in both varieties.
Connotations
The term carries strong connotations of precise, technical theological debate, historical church councils, and doctrinal orthodoxy.
Frequency
Extremely rare in both dialects, encountered only in advanced studies of theology, church history, or patristics.
Grammar
How to Use “homoousian” in a Sentence
[be] Homoousian (adjective)a Homoousian (noun)Vocabulary
Collocations
Examples
Examples of “homoousian” in a Sentence
adjective
British English
- The Athanasian party defended the homoousian position at the council.
American English
- The Nicene Creed established the homoousian doctrine as orthodox.
Usage
Meaning in Context
Business
Never used.
Academic
Used in historical theology, church history, and patristic studies. Example: 'The homoousian formula was central to the Nicene definition.'
Everyday
Never used.
Technical
Used as a precise technical term in theological discourse to denote the orthodox position on the nature of Christ.
Vocabulary
Synonyms of “homoousian”
Strong
Neutral
Vocabulary
Antonyms of “homoousian”
Watch out
Common Mistakes When Using “homoousian”
- Misspelling as 'homoiousian' (a different, though related, theological term).
- Incorrect stress: the primary stress is on the third syllable (e.g., /ˌhɒməʊˈuːziən/).
- Using it in a modern, non-theological context.
FAQ
Frequently Asked Questions
'Homoousian' means 'of the same substance', while 'homoiousian' (with an extra 'i') means 'of similar substance'. This single letter represented a major theological divide in the 4th century.
No. It is an extremely rare, technical term used almost exclusively in academic studies of theology and church history.
It comes from the Greek 'homos' (same) and 'ousia' (substance, essence), via ecclesiastical Latin.
Yes. Historically, it referred to a person who supported the doctrine of consubstantiality (e.g., 'Athanasius was a leading Homoousian'). It is primarily used as an adjective today.
Of or relating to the Christian doctrine that Jesus Christ is of the same substance or essence as God the Father.
Homoousian is usually academic/technical (historical theology) in register.
Homoousian: in British English it is pronounced /ˌhɒməʊˈuːziən/, and in American English it is pronounced /ˌhoʊmoʊˈuːziən/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think 'HOMO' (same) + 'OUSIA' (Greek for substance/essence) + 'AN' (person/believer). It means 'same-substance-ist'.
Conceptual Metaphor
Theological identity is shared substance.
Practice
Quiz
In the context of 4th-century Christian theology, 'homoousian' was most directly opposed by which term?