The Collaborative International Dictionary
Athanasian \Ath`a*na"sian\ (?; 277), a. Of or pertaining to Athanasius, bishop of Alexandria in the 4th century.
Athanasian creed, a formulary, confession, or exposition of faith, formerly supposed to have been drawn up by Athanasius; but this opinion is now rejected, and the composition is ascribed by some to Hilary, bishop of Arles (5th century). It is a summary of what was called the orthodox faith.
Douglas Harper's Etymology Dictionary
1580s, from Athanasius, archbishop of Alexandria in the reign of Constantine. The name is Latin, from Greek Athanasios, from athanatos "immortal," from a- "not," privative prefix, + thanatos "death" (see thanatology).
Wiktionary
a. Of or relating to (w: Athanasius of Alexandria).
Wikipedia
Usage examples of "athanasian".
After three days in Paris he had no doubt that Editions Lequeu and the Athanasian Society were the same organization.
This has been true of the Athanasian creed, in the Anglican Church, for two centuries more or less, unless the Archbishop of Canterbury, Tillotson, stood alone in wishing the church were well rid of it.
I put it in my prayer-book in order to preserve it when I could keep it in water no longer, and it has stained the leaf, and spoilt the Athanasian Creed.
In such a language the Athanasian Creed itself would be puzzling to a neophyte.
The man who apprehends such a statement of doctrine as the Athanasian creed affords, as a sweet and gracious mystery, thereby draws nearer to God.
Doc said slowly, his hands folded in front of him as though he were reciting a part of the Athanasian Creed.
If there is one question which the enlightened and liberal have the habit of deriding and holding up as a dreadful example of barren dogma and senseless sectarian strife, it is this Athanasian question of the Co-Eternity of the Divine Son.
If the moderns really want a simple religion of love, they must look for it in the Athanasian Creed.
But he was no theologian to understand the vast gulf between the Arian and Athanasian creeds, so he convened a Church council at Nicaea to determine which was the true belief.
Happily, the sainted Bishop Ambrose had the foresight to weight that synod with other Athanasian bishops.
You know I am indifferent in regard to all religions, and I assuredly have no love for Athanasian Christians.
Nicene, and the Athanasian creed, without splitting metaphysical hairs with your neighbor?
So, too, in Church questions, though he was an anti-Tractarian, he had a great reverence for the Athanasian Creed and in general was a High Churchman.
It is the doctrine of all churches in Christendom that God the Father, God the Son and God the Holy Spirit is infinite, eternal, uncreated and omnipotent, as may be seen in the Athanasian Creed.
Again, the Athanasian Creed has been accepted throughout the Christian world and what is said at its close is also acknowledged, namely, that the Lord will come to judge the living and the dead, and then those who have done good will enter everlasting life and those who have done evil will enter everlasting fire.