aporia (en)

(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

lapidary (en)

relating to stone and gems and the work involved in engraving, cutting, or polishing

vertiginous (en)

causing vertigo, especially by being extremely high or steep