(noun) an expression of real or pretended doubt or uncertainty especially for rhetorical effect / (noun) a logical impasse or contradiction / (noun) a radical contradiction in the import of a text or theory that is seen in deconstruction as inevitable
Democrats like Bill Clinton helped Republicans in their dismantling and avoided being described as liberal at all costs. From this aporia the word progressive reemerged as an antithesis to conservative, but was otherwise a floating signifier