What does "consubstantial" mean?

Of the same substance or essence.

How do you pronounce "consubstantial"?

Pronounced //ˌkɑnsəbˈstænʃəl//.

Common synonyms include: alike, coessential, duplicate, homoousian, identical, indistinguishable.

//ˌkɑnsəbˈstænʃəl// adj

adj ·Rare ·Advanced level

Adjective

1
Of the same substance or essence.
"the Holy Spirit is consubstantial with the Father"

Adjective

1
regarded as the same in substance or essence (as of the three persons of the Trinity) wordnet

"the Holy Spirit is consubstantial with the Father"

From Latin consubstāntiālis, from con- + substāntia (“substance”), translating Ancient Greek ὁμοούσιον (homooúsion).

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