Monoousian

//ˌmɑnoʊˈuzi.ən// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Having one and the same nature or essence, especially with regard to the persons of the Trinity. not-comparable

    "But the homoousian Trinity of the orthodox went exactly in the middle, betwixt that monoousian trinity of Sabellius, which was a trinity of different notions or conceptions only of one and the self-same thing, and that other heteroousian trinity of Arius, which was a trinity of separate and heterogenous substances (one of which only was God, and the other creatures); […]"

Example

More examples

"But the homoousian Trinity of the orthodox went exactly in the middle, betwixt that monoousian trinity of Sabellius, which was a trinity of different notions or conceptions only of one and the self-same thing, and that other heteroousian trinity of Arius, which was a trinity of separate and heterogenous substances (one of which only was God, and the other creatures); […]"

Etymology

From Ancient Greek μονοούσιος (monooúsios, “of one substance”), from μόνος (mónos, “alone, only, sole, single”) + οὐσία (ousía, “being, substance, essence”) + -ian.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.