The Absurd (n.) is (as paradox) composed in such a way that it is a symbol, a riddle, over which reason has no power at all to dissolve it in nonsense and prove that it is nonsense.
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The Absurd (n.) is a concept whereby it is precisely grasping the fact that it cannot and must not be grasped.
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The Absurd (n.) is not to be found within the understanding. It is not identical with the improbable, the unexpected, the unforeseen.
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The Absurd (n.) is that the eternal truth has come into existence in time, that God has come into existence, has been born, has grown up, etc., has come into existence exactly as an individual human being, indistinguishable from any other human being.
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The Absurd (n.) is the source of meaningfulness.