This article aims to show that the ambivalent relation that Baudelaire established with the religious universe’s references is based, first, on the impossibility of polarization between confession and fiction, between sincerity and poetic construction in his work. The irreducibility of the poet, as recently affirmed by Antoine Compagnon (2014), is extended here, beyond the ideological question, to the level of Baudelaire’s contradictory relations with language itself.