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Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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The absolute oneness of God. All the creeds of Christendom profess belief in one God, as opposed to polytheism and Manichean dualism, whichclaim that there is more than one deity. The Church bases God's unicity on his absolute perfection, since there cannot be more than one infinitely perfect God. Moreover, God's absolute oneness is provable from the unity of the world order.

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